University of the Philippines Diliman

File:University of the Philippines Manila University.png

The University of the Philippines was founded on June 18, 1908, in Manila, offering programs in liberal arts, medicine, law, and engineering. As enrollment increased—from 67 students in 1908 to 7,849 by 1928—the need for a larger campus became evident. In 1939, the UP Board of Regents acquired a 493-hectare tract of land in Diliman, Quezon City, to accommodate the university's expansion. The site was envisioned to house modern facilities that would allow for further academic growth. Construction of the new campus commenced in 1939, but work was interrupted by World War II. During the war, many of the newly constructed buildings in Diliman were used as military barracks by the Imperial Japanese Army, delaying the relocation efforts. Following the liberation of Manila in 1945, efforts to rebuild and expand the campus resumed.{{Cite web|last=University of the Philippines Diliman.|date=March 15, 2015|title=History.|url=https://upd.edu.ph/history2/}}

By 1949, significant progress had been made in the development of the campus, allowing for the transfer of administrative offices, academic units, and faculty residences from UP Manila to UP Diliman. On February 12, 1949, a symbolic motorcade led by then-UP President Bienvenido Gonzales transported the Oblation statue from Padre Faura in Manilato its current location in front of Quezon Hall. This event marked the formal establishment of UP Diliman as the new primary campus of the UP System.{{Cite web|date=April 2, 2017|title=Honor and Excellence: UP in the Past 116 Years – University of the Philippines|url=https://up.edu.ph/university-history/|access-date=March 15, 2025|website=up.edu.ph|language=en-US}}

Throughout the 1950s and 1960s, UP Diliman expanded its facilities, establishing new academic buildings, research centers, and residential areas. This period saw the construction of several architecturally significant structures, including Quezon Hall (Administration Building), Gonzalez Hall (Main Library), and Benitez Hall (College of Education), designed by National Artist for Architecture Juan Nakpil. Other modernist structures, such as Palma Hall (College of Social Sciences and Philosophy) and Melchor Hall (College of Engineering), were designed by Cesar Concio, reflecting the post-war shift toward functionalist and modernist architecture.{{Cite web|first=University of the Philippines Diliman.|title=About UP Diliman.|url=https://upd.edu.ph/about/history/}}

UP Diliman has historically been a center for student activism and social movements, particularly during periods of political unrest. The university played a key role in the First Quarter Storm (1970), a series of protests against the government of Ferdinand Marcos. Throughout martial law (1972–1981), UP Diliman remained a focal point for pro-democracy movements, solidifying its reputation as a bastion of academic freedom and resistance.{{cn|date=April 2025}}

In 1985, UP Diliman was granted institutional autonomy, retroactive to 1981, in response to the university system's restructuring. This autonomy allowed the campus to develop its own academic policies, governance structure, and research initiatives, strengthening its status as a leading institution for higher education and innovation.

The campus continued to grow with the establishment of the National Science Complex (NSC) in 2006, a 21.9-hectare area dedicated to scientific research and development, housing the National Institute of Physics, National Institute of Molecular Biology and Biotechnology, and the Institute of Chemistry, among others.

Today, UP Diliman remains the largest constituent university in the UP System, offering a comprehensive array of undergraduate, graduate, and research programs. It continues to be a center for scientific research, cultural development, and political discourse, reinforcing its role as the premier national university of the Philippines.

The Diliman Commune was a significant student-led uprising that occurred from February 1 to 9, 1971, at the University of the Philippines Diliman campus. Initially sparked by a three-centavo increase in oil prices, the protest escalated following violent confrontations with government forces, resulting in the death of a student, Pastor "Sonny" Mesina. In response, students, faculty members, and residents established barricades around the campus, effectively declaring it a "liberated zone" free from military intrusion. Drawing inspiration from the 1871 Paris Commune, the protesters referred to themselves as "Communards" and renamed the campus the "Malayang Komunidad ng UP Diliman" ("Free Commune of UP Diliman"). They also took control of the university's radio station, DZUP, and published their own newspaper, Bandilang Pula ("Red Flag"). The Diliman Commune stands as a testament to the university community's resistance against state repression and its commitment to academic freedom.{{cite journal|last=Abinales|first=P.N.|year=2018|title=The Barricades of 1971 and the 'Diliman Commune'|url=https://www.jstor.org/stable/45172794|journal=Philippine Studies: Historical and Ethnographic Viewpoints|volume=66|issue=4|pages=447–476|jstor=45172794}}

The Management Review Committee (MRC) was created by UP President Edgardo Angara in the 1980s to evaluate and recommend measures for the university's improvement. The report made by the MRC led to the decision of the Board of Regents to further decentralize the UP administration, declaring UP Diliman an autonomous unit and the system's flagship university on March 23, 1983. This also furthered the reorganization of some major units of the university, with the College of Arts and Sciences being split into three colleges: the College of Science, the College of Arts and Letters and the College of Social Sciences and Philosophy. UP Diliman was formally established as a constituent university on April 23, 1985, at the 976th Meeting of the U.P. Board of Regents.{{cite book|title=University of the Philippines Diliman General Catalogue 2004–2010|year=2007|publisher=University of the Philippines Diliman|location=Quezon City|author=Office of the University Registrar}}

File:University of the Philippines Diliman buildings map.png

The UP Diliman campus is the largest and most architecturally diverse among the constituent universities of the UP System. Spanning 493 hectares in Quezon City, it serves as the system's administrative and academic flagship, housing the Office of the UP President, the Office of the Chancellor, and the nation's leading research institutions. The campus reflects a rich architectural heritage, with structures ranging from neoclassical landmarks to modernist academic complexes and contemporary, sustainability-focused buildings.{{Cite web|last=Dabu|first=Fred|date=October 18, 2017|title=Managing UP Diliman's Buildings and Sites – University of the Philippines|url=https://up.edu.ph/managing-up-dilimans-buildings-and-sites/|access-date=March 15, 2025|website=up.edu.ph|language=en-US}}

At its core is the Academic Oval, a tree-lined loop that defines the university's central academic and administrative district. Along this axis are Quezon Hall, the university's main administration building designed by Juan Nakpil; Gonzalez Hall, the University Library, also by Nakpil; and Benitez Hall and Malcolm Hall, two mirror-image neoclassical structures that house the College of Education and the College of Law, respectively. Other major colleges, including the College of Social Sciences and Philosophy, the College of Engineering, and the College of Science, are strategically located within or near the Oval, reinforcing its role as the university's intellectual center.

Beyond the Academic Oval, UP Diliman extends into distinct academic clusters, research hubs, residential zones, and open spaces, reflecting a well-planned balance between built and natural environments. To the east, the National Science Complex (NSC) and Engineering Complex house {{Cite web|title=|url=https://upd.edu.ph/campus-planning}} state-of-the-art STEM research facilities. The southern sector features cultural institutions, such as the UP Film Institute, Jorge B. Vargas Museum, and Abelardo Hall, which serve as centers for artistic expression and historical preservation. The campus is also home to extensive green spaces, including the Sunken Garden, the Lagoon, and the UP Arboretum, which contribute to its walkability and ecological diversity.

Functioning as both an academic hub and a self-sustaining community, UP Diliman incorporates residential areas for faculty, staff, and students, commercial centers, and public transport networks, creating a campus environment that integrates education, culture, and urban life.{{Cite web|title=|url=https://upd.edu.ph/zoning}}

Quezon Hall serves as the administration building of the University of the Philippines Diliman (UP Diliman) and houses the Office of the Chancellor, along with various administrative units responsible for campus governance. Designed by National Artist for Architecture Juan Nakpil, the building was completed in the early 1950s as part of the post-war expansion of the university following its relocation from Manila to Diliman, Quezon City. Positioned at the terminus of University Avenue, Quezon Hall functions as the institutional focal point of the campus and plays a central role in its spatial and organizational planning.

File:UP Quezon Hall (Diliman, Quezon City)(2019-04-29).jpg

Quezon Hall integrates neoclassical and modernist design elements, reflecting Nakpil's architectural approach that emphasizes monumentality, symmetry, and functional efficiency. The building's grand facade is characterized by tall Doric columns supporting a portico and triangular pediment, lending it an air of institutional authority. The rectangular footprint, reinforced concrete construction, and symmetrical layout highlight its durability and balanced composition, aligning with classical principles while incorporating modernist influences in its streamlined detailing and use of natural lighting. The central section of the building features a high-ceilinged main lobby, with large arched windows that facilitate natural ventilation and enhance the structure's sense of openness. The architectural design prioritizes functionality, ensuring that the building can accommodate the administrative requirements of the university while maintaining a formal and dignified presence within the campus landscape.

Quezon Hall is strategically located at the end of University Avenue, establishing it as the visual and administrative anchor of UP Diliman. Directly in front of the building is the Oblation Plaza, where the Oblation statue, a bronze sculpture by National Artist Guillermo Tolentino, stands as a symbol of selfless service and academic freedom. The axial alignment of Quezon Hall with the Oblation Plaza and other key buildings—including Gonzalez Hall (Main Library), Benitez Hall (College of Education), and Malcolm Hall (College of Law)—reinforces its central role in the campus's master plan. The building's placement within the Academic Oval follows Beaux-Arts planning principles, creating an orderly arrangement of administrative and academic buildings around a central green space. This layout facilitates institutional coherence while allowing for efficient campus circulation.

Quezon Hall was constructed during a period of post-war reconstruction and academic expansion, as UP sought to establish a permanent main campus after relocating from Padre Faura, Manila. The decision to move the university to Diliman was driven by the need for a larger, purpose-built academic environment, which could accommodate the university's growing student population and research programs. Over the decades, Quezon Hall has undergone renovations and modifications, including interior refurbishments and structural reinforcements, to accommodate the evolving needs of university administration. Despite these changes, the building has retained its original design integrity, preserving Nakpil's vision of an administrative hub that balances tradition and modernity.{{Cite book|last=Gerard Lico|title=Juan Nakpil and the Architecture of the Modern Nation.|publisher=UP Press.|year=2010}}

{{main|Oblation (University of the Philippines)}}

The U.P. Diliman campus is connected to Commonwealth Avenue via University Avenue. It stretches {{convert|800|m|sp=us}} where traffic enters the campus or proceeds towards C.P. Garcia St., which connects Commonwealth Avenue to Katipunan Avenue. At the end of University Avenue, the Oblation Plaza of the Diliman campus faces the road. Behind it, the facade of Quezon Hall can be seen.{{citation needed|date=February 2018}}

File:The Oblation Statue in front of Quezon Hall.jpg is located inside Gonzalez Hall, the university library.]]

The Oblation statue ({{langx|tl|Pahinungod/Oblasyon}}) is the most iconic figure of the U.P. System. The statue was originally created by National Artist Guillermo E. Tolentino in 1935 in a collective effort by the students of the U.P. System. During the 40th anniversary of the University of the Philippines in 1949, the Oblation was transferred to Diliman in Quezon City from their original site along Padre Faura St. in Manila as a symbol of transfer of administrative seat.Exodus Marker, Quezon Hall, University of the Philippines Diliman, Quezon City. Retrieved October 6, 2007.{{cite web|url=http://bahaynakpil.org/the-oblation-unveiled-in-1935|title=The Oblation Unveiled in 1935|work=Bahay Nakpil-Bautista|date=December 28, 2010|access-date=October 8, 2017|archive-date=October 8, 2017|archive-url=https://web.archive.org/web/20171008083851/http://bahaynakpil.org/the-oblation-unveiled-in-1935/|url-status=live}} The Oblation was originally naked and made of concrete and stands {{convert|3.5|m|sp=us}} in height.{{cite web|last=Tan|first=Michael|title=The Oblation|url=http://pinoykasi.homestead.com/files/2002articles/12192002_Oblation.htm|publisher=Pinoy Kasi!|access-date=August 7, 2010|date=December 19, 2002|archive-date=July 12, 2011|archive-url=https://web.archive.org/web/20110712215054/http://pinoykasi.homestead.com/files/2002articles/12192002_Oblation.htm|url-status=live}} For morality and censorship purposes, U.P. President Jorge Bocobo suggested to put a fig leaf to cover the genitals.{{cite web|title=UP Oblation: History|url=http://upaagc.org/oblation.html|work=UP Alumni Association of Greater Chicago|access-date=August 7, 2010|url-status=dead|archive-url=https://web.archive.org/web/20101127162140/http://upaagc.org/oblation.html|archive-date=November 27, 2010}} In 1950, the Board of Regents ordered the statue to be cast in true bronze. Tolentino made a trip to Italy to personally supervise the casting of his old masterpiece into bronze.{{cite news|title=Symbolic Link: The Oblation|newspaper=UP Today: UP Alumni Magazine|year=1967|author=Loredo, Angioline A.|pages=14–15}} The bronze statue, unveiled on November 29, 1958, is now housed at Gonzalez Hall where the University Library is also located.{{cite book|last=Defeo|first=Ruben D.F.|title=100 Nudes/100 Years|year=2008|publisher=UP Alumni Association|location=Quezon City|isbn=978-971-94174-0-8}}

Several replicas of Tolentino's Oblation statue were created during the creation of new U.P. campuses, some were made by the National Artist Napoleon Abueva. U.P. Diliman's Oblation statue located in the Oblation Plaza is also a concrete-made replica of Tolentino's. {{citation needed|date=February 2018}}

The main and largest road in the university is the Academic Oval, informally known as "Acad Oval". This road is composed of two joining avenues, the Roxas and Osmeña Avenues. Having a total circumference of about {{convert|2.2|km|sp=us}}, the oval connects the rest of the colleges of the university from the main University Avenue. The avenue derives its name from several colleges located around it, namely the College of Mass Communication, College of Music, College of Engineering, College of Law, School of Economics, College of Business Administration, College of Education, College of Social Sciences and Philosophy and School of Library and Information Studies. The oval also covers Quezon Hall, the U.P. Theater, National Engineering Center, Student Activity Center/Vinzons Hall, Center for International Studies and Jorge B. Vargas Museum.{{cite web|last=Villar|first=Eugene Alvin|title=U.P. Diliman Academic Oval|url=http://www.vistapinas.com/article/up-diliman-academic-oval|access-date=August 7, 2010|date=June 21, 2006|archive-date=July 10, 2010|archive-url=https://web.archive.org/web/20100710141639/http://www.vistapinas.com/article/up-diliman-academic-oval|url-status=live}} Additionally, the Academic Oval is planted with over 500 acacia and fire trees.{{cite web|last=Martinez|first=Glenn|title=A Sunday Walk around U.P. Diliman's Academic Oval|url=http://traveleronfoot.wordpress.com/2008/06/15/a-sunday-walk-around-up-diliman%E2%80%99s-academic-oval/|access-date=August 7, 2010|archive-date=January 26, 2010|archive-url=https://web.archive.org/web/20100126005330/http://traveleronfoot.wordpress.com/2008/06/15/a-sunday-walk-around-up-diliman%E2%80%99s-academic-oval/|url-status=live}}

Benitez Hall and Malcolm Hall, two of the oldest and most architecturally significant buildings on the UP Diliman campus, stand as mirror images of each other at the head of the Academic Oval. Designed by Juan Marcos Arellano y de Guzmán, their construction began in 1939 and was completed between 1941 and 1949. Both structures follow the neoclassical architectural tradition, characterized by symmetrical facades, grand columns, and classical detailing, evoking a sense of academic prestige and institutional authority. Their twin designs emphasize the enduring connection between education and law, two disciplines that have played a crucial role in shaping the nation's intellectual and legal landscape.

File:Benitez Hall University of the Philippines Diliman Panorama.jpg

Benitez Hall, home to the College of Education, is named after Francisco F. Benitez, the first dean of the School of Education. Its design features a balanced facade with a prominent pediment and pilastered entrance, reinforcing its function as a center of learning and teacher training. During World War II, the building was repurposed as a military quarters by Japanese forces, and it was reportedly the site of wartime atrocities, leading to persistent stories of paranormal activity within its halls.{{Cite web|last=Reburiano|first=Keith|date=November 17, 2022|title=THE ARCHITECTURAL HERITAGE OF U.P.'s BENITEZ HALL – National Museum|url=https://www.nationalmuseum.gov.ph/2022/11/17/the-architectural-heritage-of-u-p-s-benitez-hall/|access-date=March 15, 2025|language=en-US}}

Standing directly across from it, Malcolm Hall houses the UP College of Law and is named after George Malcolm, a former Associate Justice of the Philippine Supreme Court and the founding dean of the College of Law. As a mirror image of Benitez Hall, Malcolm Hall exhibits the same neoclassical symmetry, with its tall Corinthian columns and arched windows, creating an imposing yet dignified presence befitting a law institution. Its placement opposite the College of Education underscores the university's commitment to producing both educators and legal minds, shaping the country's academic and judicial landscape in equal measure.{{Cite web|title=|url=https://law.upd.edu.ph/malcolm-hall-history}}

Palma Hall, informally known as "AS" (Arts and Sciences), serves as the main building for the College of Social Sciences and Philosophy at UP Diliman. Designed by Cesar Homero Rosales Concio, the university's first campus architect, it was completed in 1951. The building is named after Rafael Palma, the fourth president of the university, who was a staunch advocate for academic freedom and liberalism.{{Cite web|title=College of Social Sciences and Philosophy – Palma Hall|url=https://kssp.upd.edu.ph/about-us/history/16-history/33-palma-hall|access-date=March 15, 2025|website=kssp.upd.edu.ph}}

File:Palma Hall, U.P. Diliman, April 2023.jpg

Palma Hall exemplifies the International Style of architecture, characterized by functional design and minimalist aesthetics. Concio incorporated Filipino architectural elements to enhance natural ventilation and lighting, making the structure well-adapted to the tropical climate. The asymmetrical layout and open-air corridors facilitate airflow and natural illumination, reflecting the modernist architectural trends of the era. The building is distinguished by its exposed concrete framework, horizontal louvers, and cantilevered balconies, all of which contribute to its practical and climate-responsive design.{{Cite web|date=March 15, 2025|title=Palma Hall|url=https://iskomunidad.upd.edu.ph/index.php/Palma_Hall|access-date=March 15, 2025|website=Iskomunidad|language=en}}

Melchor Hall, the main building of the College of Engineering, was also designed by Cesar Concio and completed in the early 1950s. The structure serves as a counterpart to Palma Hall, mirroring its modernist design language while serving the distinct needs of the engineering faculty. Like Palma Hall, it follows the principles of Bauhaus architecture, emphasizing rationality, geometric order, and efficiency.

Melchor Hall's symmetrical structure is divided into two wings by an imposing central section, characterized by a large rectangular three-story-high portal, which serves as the main entrance. The interior spaces are designed to accommodate laboratories, lecture halls, and administrative offices, with an emphasis on modular and functional layouts.

File:UPLibraryjf3303 13.JPG

Gonzalez Hall, the University Main Library of UP Diliman, was designed by National Artist for Architecture Juan Nakpil and completed in 1950. Named after Bienvenido M. Gonzalez, the university's sixth president, the building was part of the post-war expansion that established UP Diliman as the new flagship campus of the University of the Philippines. The building embodies neoclassical architectural principles, characterized by its grand facade, symmetrical proportions, and imposing columns, which create an atmosphere of intellectual prestige and permanence. The central entrance, framed by a series of tall pilasters, evokes a sense of order and discipline, reflecting the role of the library as the university's knowledge hub.

Inside, Gonzalez Hall serves as the central repository of academic and research materials, housing extensive collections, archives, and special publications that support the university's scholarly community. The Main Library Reading Hall, located within the building, provides an expansive space for students, researchers, and faculty members, fostering an environment conducive to study and intellectual engagement.{{Cite web|title=|url=https://library.upd.edu.ph/about/gonzalez-hall/}}

File:Allan Jay Quesada- DSC 3670 Parish of the Holy Sacrifice, UP, Diliman, Quezon City.JPG

The Parish of the Holy Sacrifice, commonly known as the UP Chapel, is a Catholic chapel located on the UP Diliman campus. It was designed by Leandro V. Locsin, National Artist for Architecture, and completed in 1955. It is recognized for being the first circular church in the Philippines, with the altar placed at the center and the first structure in the country to feature a thin-shell concrete dome.The chapel contains works by multiple National Artists: Arturo Luz (floor mosaic), Vicente Manansala and Ang Kiukok (15 Stations of the Cross murals) and Napoleon Abueva (crucifix and altar). The design allows natural light to enhance the interior's serene and contemplative atmosphere. The National Historical Commission of the Philippines (NHCP) has declared it a National Historical Landmark, while the National Museum has recognized it as a Cultural Treasure.{{Cite web|date=June 30, 2016|title=AD Classics: Parish of the Holy Sacrifice / Leandro V. Locsin|url=https://www.archdaily.com/790290/ad-classics-parish-of-the-holy-sacrifice-leandro-v-locsin|access-date=March 15, 2025|website=ArchDaily|language=en-US}}

The only carillon in the Philippines and in Southeast Asia that is manually played by a clavier or a wooden keyboard, the U.P. Carillon tower is about 130 feet tall.{{cite news|last=Aurelio|first=Julie|title=Bells of Diliman ring again on Dec. 18|url=http://newsinfo.inquirer.net/inquirerheadlines/nation/view/20071216-107115/Bells_of_Diliman_ring_again_on_Dec_18|access-date=August 8, 2010|newspaper=Manila Bulletin|date=December 16, 2007|url-status=dead|archive-url=https://web.archive.org/web/20081006124833/http://newsinfo.inquirer.net/inquirerheadlines/nation/view/20071216-107115/Bells_of_Diliman_ring_again_on_Dec_18|archive-date=October 6, 2008}} The U.P. Carillon was originally constructed in 1940 by National Artist Juan Nakpil, Conservatory of Music director Ramon Tapales and UP President Bienvenido Gonzales with an initial idea of building a concrete structure that may tower the grounds of the university.{{cite news|last=Santiago|first=Bettina|title=For UP the bells toll|url=http://www.mb.com.ph/node/54306|access-date=August 8, 2010|newspaper=Manila Bulletin|date=December 20, 2007|url-status=dead|archive-url=https://web.archive.org/web/20110608163654/http://www.mb.com.ph/node/54306|archive-date=June 8, 2011}} Several years later, on August 1, 1952, the tower was finished and dedicated as the U.P. Carillon. Forty-eight bells with four octaves were installed by the Dutch carillonneur Adrian Antonisse, with the efforts laid by the U.P. Alumni Association. These bells were forged by Van Bergen Co. in Netherlands and the largest of them weighs five tons, where the total cost of construction summed up to ₱200,000.{{cite web|title=History of UP Carillon|url=http://www.upcarillon.org/history.html|work=The University of the Philippines Carillon Tower Restoration Project|access-date=August 8, 2010|url-status=dead|archive-url=https://web.archive.org/web/20100902144136/http://www.upcarillon.org/history.html|archive-date=September 2, 2010}} File:Carillon_Tower_UP_Diliman.jpg

Apart from playing the U.P.'s anthem UP Naming Mahal (U.P. Beloved), the carillon tuned many music such as the Magtanim ay Di Biro (Planting Rice, a Filipino folk song) and The Beatles sounds. One of the most important tunings of the carillon was when it played the socialist anthem The Internationale at the 1971 Diliman Commune.{{cite news|last=Ordoñez|first=Elmer|title=Anthem for dedicated youth|url=http://archives.manilatimes.net/national/2008/apr/05/yehey/opinion/20080405opi2.html|access-date=August 8, 2010|newspaper=Manila Times|date=April 5, 2008|url-status=dead|archive-url=https://web.archive.org/web/20100911231738/http://archives.manilatimes.net/national/2008/apr/05/yehey/opinion/20080405opi2.html|archive-date=September 11, 2010}}{{cite news|last=Cervantes|first=Behn|title=The UP Carillon rings again|url=http://showbizandstyle.inquirer.net/entertainment/entertainment/view/20080112-111831/The_UP_Carillon_rings_again|archive-url=https://web.archive.org/web/20120811111339/http://showbizandstyle.inquirer.net/entertainment/entertainment/view/20080112-111831/The_UP_Carillon_rings_again|url-status=dead|archive-date=August 11, 2012|access-date=August 8, 2010|newspaper=Manila Bulletin|date=January 12, 2008}} During this time, U.P. students declared the university as a republic and as a separate entity from the Philippines.{{cite web|last=Palatino|first=Mong|title=Pagbabalik-tanaw sa Diliman Commune|url=http://www.tinig.com/v26/v26mong.html|publisher=Tinig.com|access-date=August 8, 2010|language=tl|url-status=dead|archive-url=https://web.archive.org/web/20110623074856/http://www.tinig.com/v26/v26mong.html|archive-date=June 23, 2011}} {{Google translation|en|tl|3=http://www.tinig.com/v26/v26mong.html}}

Due to age and rust, the carillon ceased to play in 1981. In 1988, the last symphonies of U.P. Naming Mahal and Push On U.P.! (U.P. Diliman's athletic cheer) from the tower was played during the December's Lantern Parade. Since then, the carillon was never tuned. But as late as 2001, students said that they could hear the rhymes of London Bridge Is Falling Down and Sing a Song of Six Pence, despite the carillion being closed to prevent further mishap.

In 2005, through the collective efforts of the U.P. Alumni Association and various private donors, the U.P. Carillon Restoration Project of the U.P. Centennial Commission launched a fund-raising program to collect ₱20 million to restore the carillon, as a projection of using the tower again in the coming 100th year of the University of the Philippines.{{cite web|title=History of UP Carillon|url=http://www.upcarillon.org/about_project.html|work=The University of the Philippines Carillon Tower Restoration Project|access-date=August 8, 2010|url-status=dead|archive-url=https://web.archive.org/web/20100903171324/http://www.upcarillon.org/about_project.html|archive-date=September 3, 2010}} After two years, the Project was able to collect ₱14 million which will be used to clean up and repair the tower itself and to replace the bells.{{cite news|last=de Guzman|first=Marcos Jr.|title=Restoring the UP Carillon's history|url=http://showbizandstyle.inquirer.net/lifestyle/lifestyle/view/20070609-70321/Restoring_the_UP_Carillon%92s_history|access-date=August 8, 2010|newspaper=Manila Bulletin|date=June 9, 2007|url-status=dead|archive-url=https://archive.today/20130221160027/http://showbizandstyle.inquirer.net/lifestyle/lifestyle/view/20070609-70321/Restoring_the_UP_Carillon%92s_history|archive-date=February 21, 2013}}

In 2007, the carillon was formally reintroduced to the public after two years of restoration. The original 48 bells were put into archives and were replaced by 36 bells bought from Dutch company Petit & Fritsen for ₱12 million, for which the construction engineers were provided by the Royal Bell Philippines. According to project engineer Matthew Bergers, each bell was made from 80% bronze and 20% an admixture of zinc, magnesium and phosphorus. The largest of these bells weighs {{convert|635|kg}} and the smallest {{convert|14|kg}}. The original wood claviers were replaced by heavy-duty oakwood; all bells are designed to hold refurbished steel pipes. Another project engineer, Eduardo Otacan, said that the new bells will have a three-octave range, and can be programmed using computers attached to the clavier.

At the same time, a small amphitheater named Carillon Plaza was constructed at the base of the tower. After about two decades of silence, the U.P. Carillon was heard again during the Lantern Parade of 2007.

File:Sunken Garden UP Diliman 2022.jpgThe Gen. Antonio Luna Parade Grounds, or commonly known as the Sunken Garden, is a {{convert|5|ha|adj=on}} natural depression found on the eastern side of the campus and at the end of the Academic Oval circle. Sunken Garden is enclosed by the UP Main Library, College of Social Sciences and Philosophy's Department of Psychology, College of Education, Student Activity Center/Vinzons Hall, College of Business Administration, School of Economics and College of Law. The Grounds was originally a property of the UP Reserved Officers' Training Corps when the campus was founded in 1949.{{cite web|title=General Antonio Luna Parade Grounds|url=http://www.uprotc.org/facility/gen-antonio-luna-parade-grounds.html|publisher=UP ROTC|access-date=August 8, 2010|url-status=dead|archive-url=https://web.archive.org/web/20100712022227/http://www.uprotc.org/facility/gen-antonio-luna-parade-grounds.html|archive-date=July 12, 2010}}

Gen. Antonio Luna Parade Grounds acquired its name Sunken Garden due to its basin-shaped low-level formation that has the deepest point of 65 meters above sea level (contrary to the university's height that is over hundreds of meters above sea level).{{cite web|last=Sarmiento|first=Christine Joy|title=The truth behind the myth|url=http://dilimangenius.webs.com/maharlagmay.htm|work=UP College of Mass Communication|access-date=August 8, 2010|url-status=dead|archive-url=https://web.archive.org/web/20110814160226/http://dilimangenius.webs.com/maharlagmay.htm|archive-date=August 14, 2011}} The Sunken Garden is the venue of the annual U.P. Fair as well as for sports tournaments, including football, frisbee and volleyball. Sometimes, the Department of Military Science and Tactics hold training in the area.

According to local lore, the Sunken Garden sinks by about two inches every year. Though this has not been verified in any study, some have posited reasons for the sinking: one is that it is because of underground trenches over the campus' sewer system that connects to the Marikina Fault Line, an active geologic structure that runs across the east of Metro Manila.{{cite web|title=Geologic Map of Diliman, Quezon City and the Marikina Fault Line|url=http://www.phivolcs.dost.gov.ph/images/active/Hazard%20Maps/Active%20Fault%20Maps/Valley_fault_maps/diliman_q.pdf|publisher=Philippine Institute of Volcanology and Seismology|access-date=August 8, 2010}} {{Dead link|date=November 2010|bot=H3llBot}} Another theory is that the depression was due to the emptying of former streams in the Sunken Garden that were prominent in the 1950s. These streams formerly run from Katipunan Avenue, going to the garden itself and leaves the campus for Commonwealth Avenue.

File:UP NSCjf3207 07.JPG Ampitheater, with the Institute of Mathematics in the background.]]

The National Science Complex (NSC) serves as a pivotal center for scientific research and education in the Philippines. Established through Executive Order 583 in 2006, the NSC spans 21.9 hectares within the UP Diliman campus in Quezon City. This initiative underscores the university's commitment to enhancing the country's scientific and technological capabilities. The NSC's architectural plan reflects modern functionality and sustainability, aligning with its mission to foster scientific advancement. The complex comprises several research and academic institutes, each housed in purpose-built facilities designed to support specialized scientific endeavors.

Notable institutes within the NSC include:

• National Institute of Physics (NIP)
• National Institute of Geological Sciences (NIGS)
• National Institute of Molecular Biology and Biotechnology (NIMBB)
• Institute of Biology (IB)
• Institute of Chemistry (IC)
• Institute of Environmental Science and Meteorology (IESM)
• Computational Science Research Center (CSRC){{Cite web|title=|url=https://upd.edu.ph/sites-of-interest/}}

U.P. Diliman is the fourth oldest and is the largest, in terms of student population, of all the seven major campuses of the University of the Philippines. The University of the Philippines is governed by the Board of Regents' 11 members, of whom five are ex officio, three are student, faculty, and staff representatives, and three are appointed by the President of the Philippines.{{cite web|url=http://www.up.edu.ph/pdf2/RA_9500.pdf|title=Republic Act 9500: An Act to Strengthen the University of the Philippines as the National University|publisher=University of the Philippines Website|access-date=May 19, 2009|url-status=dead|archive-url=https://web.archive.org/web/20090419225130/http://www.up.edu.ph/pdf2/RA_9500.pdf|archive-date=April 19, 2009}} Each campus of the University of the Philippines is headed by a chancellor. The first chancellor of U.P. Diliman was Senator Edgardo J. Angara, whose office was created on April 26, 1982.{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=August 9, 2010|page=3|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20110614151431/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=June 14, 2011}} The chancellor is assisted by five vice chancellors — for academic affairs, administration, community affairs, research & development, and student affairs.{{cite web|title=Officials of UP Campuses|url=http://www.upd.edu.ph/officials.htm#diliman|work=University of the Philippines|access-date=August 5, 2010|archive-date=July 25, 2010|archive-url=https://web.archive.org/web/20100725090831/http://www.upd.edu.ph/officials.htm#diliman|url-status=live}} The current chancellor is Edgardo Carlo Vistan II, who was appointed by the Board of Regents into position during its meeting in April 2023.{{Cite news|date=April 3, 2023|title=UP Law dean Vistan chosen as Diliman chancellor|work=GMA News|url=https://www.gmanetwork.com/news/topstories/nation/865865/law-dean-vistan-chosen-as-up-diliman-chancellor/story/}}

Apart from heading the university, the chancellor also holds administrative duties that represent the Board of Regents at the campus level. The chancellor also serves as chairperson of the university council, an internal coordinating body composed of the chancellor himself, the university registrar who serves as secretary, and the professorial faculty.{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=August 9, 2010|page=12|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20110614151431/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=June 14, 2011}} The vice chancellor for academic affairs, on the other hand, assists the chancellor in coordinating curricular, instructional, library, and other programs of the university. The vice chancellor for administration assists the chancellor in the administrative management of the campus. The vice-chancellor for community affairs assists the chancellor in promoting relationships within the university and in dealing with local government and safety issues, while the vice chancellor for research & development assists the chancellor in formulating guidelines and criteria for the university's research and development endeavors. Finally, the vice chancellor for student affairs assists the chancellor in promoting wellness and discipline among students in areas such as health, food services, and scholarship management.{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=August 9, 2010|pages=8–9|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20110614151431/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=June 14, 2011}}

Admission to UP Diliman is highly competitive, primarily determined through the University of the Philippines College Admission Test (UPCAT).{{cite web|title=UPCAT (UP Office of Admissions)|url=https://upcat.up.edu.ph/|access-date=March 15, 2025|website=UP Office of Admissions|publisher=University of the Philippines}} This standardized examination assesses applicants' proficiency in language, reading comprehension, mathematics, and science. Applicants must not have taken any university subjects prior to the examination.  

File:UP Diliman Campus - Palma Hall (during UPCAT) (Diliman, Quezon City)(2017-10-22) 10.jpg

The UPCAT is a five-hour examination administered annually, typically in early August, across various test centers nationwide. The exam comprises subtests in language proficiency, reading comprehension, mathematics, and science, presented in both English and Filipino. Applicants are required to specify two preferred UP campuses and, for each campus, two degree programs in order of preference. Admission decisions are based on the University Predicted Grade (UPG), a composite score derived from the weighted UPCAT score (60%) and the weighted average of high school grades (40%). Socioeconomic and geographic factors are also considered to promote a diverse student population.{{cite web|title=Office of the University Registrar – University of the Philippines Diliman|url=https://our.upd.edu.ph/enrolstat.php|access-date=March 15, 2025|website=UP Diliman Office of the University Registrar|publisher=University of the Philippines Diliman}}

UP Diliman is renowned for its highly restrictive admission standards. In recent years, the university has seen a significant number of applicants. For instance, in 2023, over 111,000 students applied for admission to the UP System, with UP Diliman admitting approximately 2,000 to 3,000 students per batch, resulting in an acceptance rate of around 2 to 3 percent.

The Office of the University Registrar facilitates the admission process, ensuring that applicants meet the university's rigorous academic standards.{{cite web|date=October 17, 2022|title=UP at a Glance – University of the Philippines|url=https://up.edu.ph/up-and-the-sdgs-up-at-a-glance/|access-date=March 15, 2025|website=University of the Philippines}}

The university's departments are headed by department chairs, who assume the duties assigned by the dean and the chancellor. Each chair is appointed by the chancellor, as recommended by the dean or institute director, and has a tenure of three years, which may be extended for up to two terms upon reappointment.{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=August 9, 2010|page=10|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20110614151431/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=June 14, 2011}}

Some units of the university are known as National Institutes, such as the National Institute of Molecular Biology and Biotechnology. The status of being an institute is determined by the Board of Regents, but recognition as a national institute is governed by Philippine legislation.{{cite web|title=Executive Order 889: Establishing a System of National Centers of Excellence in the Basic Sciences|url=http://www.lawphil.net/executive/execord/eo1983/eo_889_1983.html|access-date=August 9, 2010|author=Ferdinand Marcos|date=March 23, 1983|quote=The Board of Regents of the University of the Philippines is hereby authorized to organize the above-mentioned institutes, and such other additional institutes and laboratories in the future it may deem proper to create, from out of the existing staff, physical facilities and programs of the University and its constituent units.|archive-date=June 20, 2010|archive-url=https://web.archive.org/web/20100620023507/http://lawphil.net/executive/execord/eo1983/eo_889_1983.html|url-status=live}} The head of a national institute, also the director, is not appointed by the chancellor but by the president of the university.

In addition to the units in the main campus, UP Diliman has degree-granting satellite campuses (officially named extension programs) in Angeles City, Pampanga (specifically in the Clark Freeport Zone area) and in Olongapo, Zambales. These degree-granting extension programs are headed by a director, who assumes the duties assigned by the chancellor.https://upepp.upd.edu.ph/

U.P. Diliman is composed of 26 colleges, schools, and institutes. Officially, these are called degree-granting units.{{cite web|title=Academic Programs|url=http://www.upd.edu.ph/acad.htm|work=UP Diliman|access-date=August 7, 2010|url-status=dead|archive-url=https://web.archive.org/web/20100808153556/http://www.upd.edu.ph/acad.htm|archive-date=August 8, 2010}} The oldest of these colleges is the {{usurped|1=[https://web.archive.org/web/20080123121325/http://www.up-cfa.com/ College of Fine Arts]}}, established in 1908 and originally located in Manila.{{cite web|title=About CFA: Celebrating 100 years in 2008|url=http://up-cfa.com/the-college/|work=UP College of Fine Arts|access-date=August 7, 2010|url-status=usurped|archive-url=https://web.archive.org/web/20110318111716/http://up-cfa.com/the-college/|archive-date=March 18, 2011}} On the other hand, the first college to operate on the Diliman campus is the College of Music (then Conservatory of Music) in 1949.

File:University of the Philippines CFA Logo.png|College of Fine Arts

File:University of the Philippines College of Education.png|College of Education

File:UP NCPAG Logo.png|National College of Public Administration and Governance

File:University of the Philippines School of Statistics.png|School of Statistics

File:University of the Philippines SOLAIR.png|School of Labor and Industrial Relations

File:University of the Philippines College of Home Economics Logo.png|College of Home Economics

File:University of the Philippines CSWCD Logo.png|College of Social Work and Community Development

File:University of the Philippines College of Mass Communication Logo.png|College of Mass Communication

File:University of the Philippines Institute of Islamic Studies.png|Institute of Islamic Studies

File:LOGO-REVISED.png|College of Science

File:University of the Philippines College of Social Science and Philosophy.jpg|College of Social Science and Philosophy

File:University of the Philippines School of Archaeology.jpg|School of Archaeology

Academic performance is rated from 1.00 being excellent to 5.00 as failed. Grades from 1.00 to 3.00 are separated by increments of 0.25, while 3.00 is followed immediately by 4.00 and then 5.00. Some professors use 0.50 as increments instead, and some colleges, particularly the College of Engineering do not give 4.00 grades. A grade of four (4.00) is a conditional grade and a student needs to remove the grade of 4.00 during a prescribed period (usually determined by the college where he/she is enrolled) or else it will become 5.00 once the period has lapsed. A conditional grade can only be removed by a removal exam; if the student passes the exam, he/she will obtain a grade of 3.00; otherwise, it is 5.00. An alternative for 4.00 is the rating of "INC", which means incomplete, and is given to students who have unfinished requirements for a particular subject. If a student drops the subject before the "subject dropping period" his/her record for that subject will be replaced by "DRP".{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=May 15, 2012|page=197|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20120310092302/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=March 10, 2012}}{{cite web|title=UP Diliman Faculty Manual|url=http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|publisher=UP Diliman|access-date=May 15, 2012|page=235|year=2003|url-status=dead|archive-url=https://web.archive.org/web/20120310092302/http://www.upv.edu.ph/downloads/files/UPD_Faculty_Manual.pdf|archive-date=March 10, 2012}}

Students who attain a grade point average of 1.20 or better, 1.45 to 1.20, and 1.75 to 1.45 are awarded upon graduation as summa cum laude, magna cum laude and cum laude respectively. Up until 2014, graduation occurred every April and October, with commencement exercises being held only in April. The shift in the academic calendar moved graduation dates to June and December, with commencement exercises being done only during the month of June. U.P. Diliman had an average of 3,190 undergraduates, 627 MS graduates, and 73 Ph.D. students graduating every year. The most number of honor graduates came from the College of Social Sciences and Philosophy, followed by the College of Business Administration, College of Engineering, College of Mass Communication and College of Architecture.{{cite web|last=Saloma|first=Caesar A.|title=UP Diliman: Its Trajectory in the Next 27 Months|url=http://iskwiki.upd.edu.ph/images/2/24/RevisedConvocationDec2011Saloma.pdf|work=Special Convocation with the Chancellor|access-date=February 8, 2012|archive-date=September 4, 2014|archive-url=https://web.archive.org/web/20140904132317/http://iskwiki.upd.edu.ph/images/2/24/RevisedConvocationDec2011Saloma.pdf|url-status=live}}

The University of the Philippines Integrated School (UPIS){{cite web|title=University of the Philippines Integrated School (UPIS)|url=https://upd.edu.ph/academics/up-integrated-school/|access-date=March 15, 2025|website=UP Diliman Official Website|publisher=University of the Philippines}}  serves as the basic education unit of the University of the Philippines Diliman, offering a comprehensive curriculum from Kindergarten to Grade 12. As the laboratory school of the UP College of Education,{{cite web|title=UPIS as the laboratory school of the College of Education|url=https://educ.upd.edu.ph/upis-laboratory-school/|access-date=March 15, 2025|website=UP College of Education|publisher=University of the Philippines}}   UPIS plays a pivotal role in shaping future educators and implementing innovative teaching methodologies.  

UPIS emerged from the integration of three distinct institutions: the UP High School, the UP Preparatory School, and the UP Elementary School. This consolidation aimed to create a unified basic education{{cite web|title=New UPIS Building: A major upgrade for basic education in UP Diliman|url=https://upd.edu.ph/upis-building-construction/|access-date=March 15, 2025|website=UP Diliman Official Website|publisher=University of the Philippines}}   system within the university, fostering a seamless transition from elementary to secondary education.  In 2011{{cite web|title=UPIS relocation plans: New facilities and campus site|url=https://upd.edu.ph/upis-campus-relocation-2022/|access-date=March 15, 2025|website=UP Diliman Official Website|publisher=University of the Philippines}}  , the UP administration initiated plans to relocate UPIS from its original 8-hectare site along Katipunan Avenue to a new location within the main campus, specifically where the former Narra Residence Hall stood. This move was part of a broader development strategy to enhance the school's infrastructure and accessibility. Ayala Land financed the construction of the new UPIS building, which comprises five structures, including a main four-story building with a budget of ₱180 million. An additional ₱40 million was allocated to upgrade facilities for grades 3 to 6.  

UP Diliman holds the designation of national university under Republic Act No. 9500, also known as the UP Charter of 2008.{{cite web|date=April 29, 2008|title=Republic Act No. 9500|url=https://lawphil.net/statutes/repacts/ra2008/ra_9500_2008.html|access-date=March 15, 2025|website=The LawPhil Project|publisher=Arellano Law Foundation}} As the flagship campus of the University of the Philippines (UP) System, UP Diliman is not subject to accreditation by any local accrediting body, as its academic programs undergo internal evaluation and quality assurance aligned with international standards.{{cite web|title=UP Diliman Quality Assurance|url=https://qa.upd.edu.ph|access-date=March 15, 2025|website=University of the Philippines Diliman|publisher=Office of the Vice Chancellor for Academic Affairs}}

UP Diliman is consistently recognized as one of the top universities in the Philippines and has been featured in multiple global university rankings. It remains the highest-ranked Philippine institution in several international assessments, reflecting its academic excellence, research output, and global reputation.

In the 2025 QS World University Rankings,{{cite web|title=QS World University Rankings 2025|url=https://www.topuniversities.com/university-rankings/world-university-rankings/2025|access-date=March 15, 2025|website=QS World University Rankings}} UP Diliman is ranked 336th globally, securing its position as the highest-ranked Philippine university in the listing. Similarly, in the Times Higher Education (THE) World University Rankings 2025,{{cite web|title=Times Higher Education World University Rankings 2025|url=https://www.timeshighereducation.com/world-university-rankings/2025|access-date=March 15, 2025|website=Times Higher Education}} the university is placed within the 1201–1500 bracket worldwide. The US News Best Global Universities 2024 {{cite web|title=US News Best Global Universities 2024|url=https://www.usnews.com/education/best-global-universities/rankings|access-date=March 15, 2025|website=US News & World Report}} places UP Diliman at #1522 globally and #559 in Asia, further cementing its standing as a leading academic institution in the region.

Other international rankings also highlight UP Diliman's influence in research and innovation. EduRank 2025 {{cite web|title=EduRank 2025: UP Diliman Rankings|url=https://www.edurank.org/uni/university-of-the-philippines-diliman/|access-date=March 15, 2025|website=EduRank|date=November 21, 2019}} ranks the university 1,348th globally and 1st in the Philippines, with strong performances in disciplines such as Environmental Science, Engineering, Biology, Physics, and the Social Sciences. Meanwhile, in the 2024 Scimago Institutions Rankings,{{cite web|title=Scimago Institutions Rankings 2024|url=https://www.scimagoir.com/rankings.php?country=PHL|access-date=March 15, 2025|website=Scimago}} which evaluates universities based on research output, innovation, and societal impact, UP Diliman is ranked #1 in the Philippines and #1,225 worldwide.

UP Diliman has also earned high rankings in specific academic disciplines,{{cite web|title=Subject-Specific Rankings of UP Diliman|url=https://www.edurank.org/uni/university-of-the-philippines-diliman/rankings/|access-date=March 15, 2025|website=EduRank|date=August 11, 2021}} particularly in the sciences and engineering. In Environmental Science, it is ranked #1 in the Philippines and #1,386 globally, reflecting its research contributions in geology, ecology, and oceanography. The university's Engineering programs are also highly regarded, with UP Diliman ranking #1 in the Philippines and #1,762 globally, excelling in materials science, optical engineering, and chemical engineering. In Biology, the university is recognized for its strong research output in biochemistry, genetics, and botany, securing the #1 spot in the Philippines and #1,801 globally.

UP Diliman has long been a leader in scientific research and innovation in the Philippines, with its faculty, researchers, and institutions making substantial contributions across multiple disciplines. The university serves as a hub for pioneering studies in fields such as physics, molecular biology, marine science, climate research, and space technology. Through its research institutes, interdisciplinary collaborations, and commitment to academic excellence, UP Diliman continues to produce groundbreaking discoveries that shape national development and global scientific discourse.

File:UPDilimanPhysicsjf3155 03.JPG

The university has produced some of the country's most esteemed National Scientists, recognized for their significant contributions to various fields of study. Dr. Lourdes J. Cruz,{{cite web|title=Two UP Experts Officially Proclaimed National Scientists|url=https://up.edu.ph/two-up-experts-officially-proclaimed-national-scientists/|access-date=March 15, 2025|website=University of the Philippines|date=August 13, 2024|publisher=UP System}} a biochemist whose research on the venom of marine snails has contributed to medical advancements in neuropharmacology and biotechnology. Her pioneering work has had applications in the development of painkillers and neurological treatments. Another notable scientist is Dr. Carmencita David-Padilla, a geneticist whose research in medical genetics has transformed neonatal screening and genetic counseling in the Philippines, leading to early diagnoses and interventions for hereditary diseases. Dr. Caesar Saloma, a physicist specializing in optics and photonics, has advanced laser imaging techniques that have applications in biomedicine and engineering. These scientists, among many others, exemplify the university's role in fostering intellectual leadership and scientific progress.

Breakthroughs in scientific research at UP Diliman have had profound impacts both locally and internationally. Researchers from the College of Science developed an eco-friendly method to produce gold nanocorals using natural acids at room temperature, a simpler and less toxic approach that holds promise for use in electronics and industrial catalysis. In quantum physics, a team led by Dr. Jayson Cosme made significant progress in the study of dark-state Bose-Einstein condensates,{{cite web|title=Filipino scientist heads international study on dark quantum matter|url=https://www.asiaresearchnews.com/content/filipino-scientist-heads-international-study-dark-quantum-matter|access-date=March 15, 2025|website=Asia Research News|date=June 14, 2023}} a complex quantum phenomenon that could have implications in future advancements in quantum computing and ultracold atomic physics. These breakthroughs highlight UP Diliman's ability to produce cutting-edge research that contributes to technological innovation.{{cite web|title=UP Scientists Introduce Eco-Friendly Way to Create Gold Nanocorals|url=https://science.upd.edu.ph/?Itemid=1&id=64&option=com_content&task=view|access-date=March 15, 2025|website=UPD College of Science|publisher=University of the Philippines Diliman}} File:UPDilimanMolecularBiologyjf3193 08.JPGUP Diliman has also been at the forefront of climate and environmental research, particularly through the efforts of its Marine Science Institute (MSI){{cite web|title=About MSI – UP Marine Science Institute|url=https://msi.upd.edu.ph/about/about-msi/|access-date=March 15, 2025|website=UP Marine Science Institute|date=November 10, 2023|publisher=University of the Philippines Diliman}} and other environmental research units. MSI has been instrumental in studying coral reef ecosystems, coastal resource management, and oceanographic patterns in the Philippines. Research from MSI has led to the development of science-based conservation policies, particularly in protecting marine biodiversity and mitigating the impacts of climate change on coastal communities. The university has also contributed to typhoon and climate research, with studies focusing on improving weather forecasting models and disaster resilience strategies. Scientists from the Institute of Environmental Science and Meteorology (IESM) have conducted high-impact studies on tropical cyclones, helping to refine predictive models that aid disaster preparedness efforts in the country. These initiatives underscore UP Diliman's role in addressing urgent environmental challenges through scientific research.{{cite web|title=Accelerating S&T in PH through Research: High-Impact Studies Led by UP Scientists in 2023|url=https://science.upd.edu.ph/accelerating-st-in-ph-through-research-high-impact-studies-led-by-up-scientists-in-2023/|access-date=March 15, 2025|website=UPD College of Science|date=February 21, 2024|publisher=University of the Philippines Diliman}}

UP Diliman has also made significant contributions to disaster risk reduction, particularly through Project NOAH (Nationwide Operational Assessment of Hazards) . Initially developed under the Department of Science and Technology (DOST) as a response to the increasing threats posed by natural disasters, Project NOAH integrates scientific research with practical disaster mitigation tools. It utilizes data from weather stations, satellites, and computer models to assess flood risks, landslide hazards, and storm surges. In 2017, the project was officially transferred to the university, ensuring its long-term continuity and further development through research and policy recommendations.{{cite web|title=NOAH – Nationwide Operational Assessment of Hazards|url=https://noah.up.edu.ph/|access-date=March 15, 2025|website=UP NOAH Center|publisher=University of the Philippines}}

In the field of space technology, UP Diliman has played a key role in the Philippines' growing presence in space research. The PHL-Microsat Program, developed in partnership with government agencies and international institutions, resulted in the country's first microsatellites, Diwata-1 and Diwata-2 . These satellites have been used for disaster monitoring, agricultural planning, and environmental assessments. Building on this success, the STAMINA4Space Program {{cite web|title=STAMINA4Space Program|url=https://stamina4space.upd.edu.ph/|access-date=March 15, 2025|website=STAMINA4Space|publisher=University of the Philippines Diliman}} continues to advance local expertise in aerospace engineering, supporting the development of small-scale satellites such as Maya-1, the Philippines' first CubeSat. These efforts demonstrate the university's contribution to national security, resource management, and technological independence in space exploration.

UP Diliman has been a major center for artistic and cultural development in the Philippines, fostering artistic expression, cultural preservation, and academic scholarship in the humanities, creative industries, and architecture. The university has produced some of the country's most influential figures in the arts, including National Artists such as Lino Brocka{{cite web|title=National Artists for Film|url=https://ncca.gov.ph/about-culture-and-arts/culture-profile/national-artists-of-the-philippines/|access-date=March 15, 2025|website=National Commission for Culture and the Arts|publisher=NCCA}} Ishmael Bernal and Ricky Lee in film, Bienvenido Lumbera{{cite web|title=National Artists for Literature|url=https://ncca.gov.ph/about-culture-and-arts/culture-profile/national-artists-of-the-philippines/|access-date=March 15, 2025|website=National Commission for Culture and the Arts|publisher=NCCA}} in literature, Napoleon Abueva in sculpture, and Fernando Amorsolo{{cite web|title=National Artists for Painting|url=https://ncca.gov.ph/about-culture-and-arts/culture-profile/national-artists-of-the-philippines/|access-date=March 15, 2025|website=National Commission for Culture and the Arts|publisher=NCCA}} and José Joya in visual arts.{{cite web|title=National Artists for Visual Arts|url=https://ncca.gov.ph/about-culture-and-arts/culture-profile/national-artists-of-the-philippines/|access-date=March 15, 2025|website=National Commission for Culture and the Arts|publisher=NCCA}} In architecture, National Artists like Juan Nakpil and Leandro Locsin have left lasting legacies, with structures such as the Quezon Hall{{cite web|title=History of the UP Administration Building|url=https://upca.upd.edu.ph/about/history/|access-date=March 15, 2025|website=UP College of Architecture|publisher=University of the Philippines Diliman}} and the Church of the Holy Sacrifice {{cite web|title=The 10 Most Famous Filipino Artists and Their Masterworks|url=https://theculturetrip.com/asia/philippines/articles/the-10-most-famous-filipino-artists-and-their-masterworks/|access-date=March 15, 2025|website=The Culture Trip|date=October 31, 2018}} shaping both the campus and modern Philippine architecture.{{cite web|title=5 UP Alumni Among 7 New National Artists|url=https://up.edu.ph/5-up-alumni-among-7-new-national-artists/|access-date=March 15, 2025|website=University of the Philippines|date=October 25, 2018|publisher=UP System}}

File:University of the Philippines (UP Campus) - University Theater (Diliman, Quezon City; 2015-01-22).jpg

File:Mural The Arts and Sciences, U.P. Diliman.jpg

UP Diliman houses several academic units dedicated to the study and practice of the arts. The College of Arts and Letters (CAL){{cite web|title=College of Arts and Letters|url=https://kal.upd.edu.ph/|access-date=March 15, 2025|website=University of the Philippines Diliman|publisher=UP Diliman}} offers degree programs in literature, creative writing, art studies, theater arts, and speech communication. The College of Fine Arts (CFA) provides training in painting, sculpture, industrial design, and visual communication, while the College of Music (CMu) offers programs in composition, musicology, and performance. These colleges contribute to the university's role as a center for artistic education and research. Additionally, the UP Film Institute (UPFI), under the College of Mass Communication, serves as the country's premier institution for film education, offering undergraduate and graduate programs in film and audiovisual communication.{{cite web|title=University of the Philippines Film Institute (UPFI)|url=https://filminstitute.upd.edu.ph/|access-date=March 15, 2025|website=UP Film Institute|publisher=University of the Philippines Diliman}}

In addition to its academic programs, UP Diliman supports various research and cultural institutions. The Jorge B. Vargas Museum and Filipiniana Research Center {{cite web|title=Jorge B. Vargas Museum|url=https://vargasmuseum.wordpress.com/|access-date=March 15, 2025|website=UP Vargas Museum|publisher=University of the Philippines}} houses a collection of visual art, historical artifacts, and archival materials that document Philippine history and culture. The University Theater, Wilfrido Ma. Guerrero Theater, and Abelardo Hall Auditorium {{cite web|title=Theater Spaces in UP Diliman|url=https://oica.upd.edu.ph/facilities/|access-date=March 15, 2025|website=Office for Initiatives in Culture and the Arts (OICA)|publisher=University of the Philippines Diliman}} serve as venues for theatrical productions, concerts, and performances by students, faculty, and professional artists.

UP Diliman is home to numerous performing arts groups that have gained national and international recognition. Dulaang UP,{{cite web|title=Dulaang UP|url=https://dulaangup.org/|access-date=March 15, 2025|website=Dulaang UP Official Website|publisher=University of the Philippines}} the university's official theater company, stages a variety of classical and contemporary plays, while the UP Repertory Company focuses on socially relevant theater productions.

Several choral groups from UP Diliman have also received international acclaim, including the UP Singing Ambassadors, the UP Concert Chorus, and the UP Madrigal Singers,{{cite web|title=UP Singing Groups|url=https://upconcertchorus.org/|access-date=March 15, 2025|website=UP Concert Chorus Official Website|publisher=University of the Philippines}} the latter of which has won multiple prestigious choral competitions worldwide. Meanwhile, UP Kontra-Gapi, a performing ensemble specializing in indigenous music and dance, promotes traditional Filipino musical forms.

File:Allan Jay Quesada Parish of the Holy Sacrifice Interior 20221010 153919.jpg

UP Diliman is home to numerous public artworks that reflect the country's history, culture, and artistic excellence. At the heart of the campus stands Guillermo Tolentino's Oblation, an enduring symbol of selfless service to the nation. Other significant sculptures include Napoleon Abueva's "Spirit of Business" and the Monument to the Heroes of 1896, which honors the Philippine Revolution. Murals such as Vicente Manansala's "Arts and Sciences" in Palma Hall and various activist murals across the campus depict the university's intellectual and political engagement. Contemporary installations, including works by Toym Imao, further enrich the campus landscape, maintaining UP Diliman's reputation as a center for artistic and cultural expression.

The University of the Philippines Diliman community is colloquially known as the "Diliman Republic", reflecting its distinct identity and vibrant autonomous culture. The university is often described as a microcosm of Philippine society, mirroring the nation's diverse socio-political landscape and academic freedom. Due to the sheer size of its 493-hectare campus, UP Diliman is the only university in Metro Manila with its own jeepney transportation system. The university operates the "Ikot" and "Toki" jeepneys, which provide affordable and accessible transport within the campus and to nearby areas. The route system is designed to efficiently connect different parts of the university, including academic buildings, dormitories, and administrative offices.{{cite web|date=July 17, 2017|title=Alamon: The University Within the University|url=https://www.sunstar.com.ph/more-articles/alamon-the-university-within-the-university|access-date=March 15, 2025|website=SunStar|publisher=SunStar Publishing}}{{cite web|date=August 23, 2019|title=What Makes UP Diliman a Microcosm of Philippine Society?|url=https://www.rappler.com/newsbreak/in-depth/up-diliman-microcosm-philippine-society/|access-date=March 15, 2025|website=Rappler|publisher=Rappler News}}{{cite web|title=Campus Transportation System|url=https://upd.edu.ph/directions-to-upd/|access-date=March 15, 2025|website=University of the Philippines Diliman|publisher=UP Diliman}}  

File:UP Ikot.JPG

UP Diliman holds a congressional franchise to operate radio and television stations, making it the first university in the country with a licensed TV network and broadcast frequency. The university currently operates:

• DZUP 1602 – An AM radio station that serves as a teaching laboratory for Broadcast Communication studentswhile also functioning as a community-based station providing educational content and public service announcements.
• TVUP – The University of the Philippines Internet Television, an online platform that broadcasts academic discussions, public service programs, and university events.{{cite web|date=April 15, 2021|title=UP Granted Franchise for TV and Radio Operations|url=https://up.edu.ph/up-media-franchise/|access-date=March 15, 2025|website=University of the Philippines|publisher=UP System}}  {{cite web|title=DZUP 1602: The Official AM Station of UP Diliman|url=https://dzup.org/|access-date=March 15, 2025|website=DZUP 1602|publisher=UP College of Mass Communication}}  {{cite web|title=TVUP: University of the Philippines Internet Television|url=https://tvup.ph/|access-date=March 15, 2025|website=TVUP|publisher=UP System}}  

These media outlets allow UP Diliman to disseminate information, promote public discourse, and serve as a training ground for students in media and communications.

The university is home to several residential areas, including faculty housing and student dormitories, which contribute to a strong sense of solidarity between students and the wider Diliman community. Many students actively participate in local initiatives, community outreach programs, and socio-political movements, reinforcing the campus's role as a hub for civic engagement and activism.{{cite web|title=UP Diliman Dormitories|url=https://osa.upd.edu.ph/dormitories/|access-date=March 15, 2025|website=Office of Student Housing|publisher=UP Diliman}}  {{cite web|title=UP Students and the Diliman Community|url=https://upd.edu.ph/community-outreach-programs/|access-date=March 15, 2025|website=University of the Philippines Diliman|publisher=UPD Public Affairs}}  File:Vinzons Hall, U.P. Diliman, April 2023.jpg

Student life at the UP Diliman is characterized by a diverse academic environment, a wide range of extracurricular activities, and a strong tradition of civic engagement. With a student population of approximately 24,000, the university offers various opportunities for academic growth, leadership development, and cultural expression. The campus hosts numerous student organizations, cultural traditions, and advocacy initiatives that contribute to its dynamic community.{{Cite web|title=|url=https://www.u-fukui.ac.jp/wp/wp-content/uploads/UP-Diliman-Fact-Sheet_Partner-University.pdf}}

UP Diliman follows a rigorous academic curriculum across its undergraduate and graduate programs, with an emphasis on research, critical thinking, and interdisciplinary learning. Class sizes vary depending on the course, with larger lecture-based classes in introductory subjects and smaller, seminar-style discussions in upper-level courses. Many programs incorporate fieldwork, laboratory research, and community-based projects, reflecting the university's commitment to applied learning and social responsibility. Academic freedom is a defining feature of student life, with students encouraged to participate in discourse on national and global issues.

The University of the Philippines Diliman provides a structured system of student housing through its Office of Student Housing (OSH). The university operates multiple residence halls that cater to undergraduate, graduate, and international students, offering affordable accommodations within the campus. These residence halls are managed to provide a conducive living environment for academic and personal development.

File:Kalayaan Residence Hall, UPD, April 2023.jpg

Among the university's dormitories, Kalayaan Residence Hall is designated for first-year students and offers full board and lodging, including meals. Upperclassmen may apply for accommodations in Molave, Yakal, and Ipil Residence Halls, which are co-educational, while Ilang-Ilang, Kamia, and Sampaguita Residence Halls are reserved for female undergraduate students. Graduate students have designated accommodations at Kamagong Residence Hall, while the International Center provides housing for foreign students, including exchange students and scholars. Additionally, the Centennial Residence Halls, comprising Concordia B. Albarracin Hall for male students and Centennial 2 for female students, were established to commemorate the university's centennial and provide additional housing facilities.{{cite web|title=Student Accommodation – UP Diliman|url=https://upd.edu.ph/students/student-accommodation/|access-date=March 15, 2025|website=UP Diliman|publisher=University of the Philippines Diliman}}

Admission to these residence halls is determined based on financial need, academic standing, and geographic origin, with priority given to students from lower-income families and those residing in distant provinces. Applications are reviewed by the Dormitory Admissions Committee, and due to the high demand for on-campus housing, students are encouraged to apply through the university's dormitory application portal.{{cite web|title=Dormitory Application Portal – UP Diliman|url=https://dormapplication.upd.edu.ph/|access-date=March 15, 2025|website=UP Diliman|publisher=Office of Student Housing}}

In addition to on-campus housing, many students seek accommodations in nearby areas such as Krus na Ligas, UP Village, and the Katipunan area, where private dormitories and apartments are available. To assist students in securing off-campus accommodations, the UP Diliman Alternative Housing Portal,{{cite web|title=UP Diliman Alternative Housing Portal|url=https://www.facebook.com/groups/UPDHousingPortal/|access-date=March 15, 2025|website=UP Diliman University Student Council|publisher=University of the Philippines Diliman}}{{Primary source inline|date=April 2025}} an initiative of the University Student Council, provides listings and information on available housing options.

File:Student Union Building University of the Philippines Diliman (UP Diliman).jpg

UP Diliman recognizes over 200 university-registered organizations, including academic, socio-civic, cultural, athletic, religious, regional, and special-interest groups. These organizations play a central role in student life, providing avenues for professional development, leadership training, and advocacy work. College-based student councils and course organizations serve as representative bodies for specific academic units, while fraternities and sororities maintain a presence through social and community service initiatives.

The University Student Council (USC), elected annually by the student body, serves as the primary representative of student interests. It organizes programs and campaigns addressing student concerns and national issues. UP Diliman has historically been known for its tradition of student activism, with students actively participating in movements related to education policies, human rights, and political reforms.{{Cite web|title=|url=https://oica.upd.edu.ph/20-in-20-the-up-diliman-month-through-the-years/}}

UP Diliman provides a range of student services through the Office of the Vice Chancellor for Student Affairs (OVCSA), which oversees financial aid programs, student counseling, and dormitory accommodations. The university operates multiple residence halls and dormitories, offering housing options for students from different regions of the country. Student health services are available through the UP Diliman Health Service, which provides medical and mental health support.

Campus security is maintained by the UP Diliman Police and the Campus Safety and Welfare Office. The university also operates shuttle services within the campus and nearby areas, providing transportation for students and faculty.

UP Diliman has been a center for student activism in the Philippines. The campus played a key role in movements such as the First Quarter Storm (1970) and the Diliman Commune (1971), which highlighted student participation in national political discourse. The university continues to be a venue for protests, mobilizations, and public forums addressing contemporary social and political issues. Students frequently engage in discussions on tuition policies, governance, human rights, and environmental advocacy, contributing to a politically active campus culture.{{Cite web|last=Office|first=UP Media and Public Relations|date=February 26, 2024|title=Activism and UP's mandate of public service – University of the Philippines|url=https://up.edu.ph/activism-and-ups-mandate-to-public-service/|access-date=March 15, 2025|website=up.edu.ph|language=en-US}} File:Martial Law 47th Anniversary Mobilization Manila Philippines UP Diliman Panorama.jpg.]]

The Oblation Run is an annual event organized by the Alpha Phi Omega (APO) fraternity at the University of the Philippines Diliman (UP Diliman). Established in 1977, the event features fraternity members running naked through the campus to protest social and political issues, drawing inspiration from the university's iconic Oblation statue, symbolizing selfless offering to the nation.{{cite web|title=APO holds annual Oblation Run, calls for integrity in electoral process|url=https://www.abs-cbn.com/news/nation/2025/2/14/apo-holds-annual-oblation-run-1405|access-date=March 15, 2025|website=ABS-CBN News|publisher=ABS-CBN}}

File:Oblation Run 2025.jpg fraternity conducting the annual Oblation Run Protest on February 14, 2025, in Palma Hall, University of the Philippines Diliman]]

The inaugural run protested the banning of the film "Hubad na Bayani" ("Naked Hero"), which depicted human rights abuses during martial law. Over the years, the Oblation Run has evolved into a platform for advocating various causes, such as fair elections, freedom of expression, and other national concerns. Traditionally held on December 16 to mark APO's founding anniversary, the event has also been scheduled on other dates to align with specific advocacies. For instance, the 2025 Oblation Run took place on February 14, focusing on themes related to electoral integrity.{{cite web|title=UP Oblation Run: How did roses come into the picture?|url=https://www.gmanetwork.com/news/lifestyle/hobbiesandactivities/936251/up-oblation-run-how-did-roses-come-into-the-picture/story/|access-date=March 15, 2025|website=GMA News|date=February 14, 2025|publisher=GMA Network}}

Participants typically cover their faces with masks and hand out roses to female spectators, adding a ceremonial aspect to the demonstration. The run has garnered significant attention, becoming a notable expression of activism within the university community. The Oblation Run has also been adopted by other UP campuses and universities across the Philippines, reflecting its impact as a form of protest and advocacy.{{cite web|title=The Alpha Phi Omega Fraternity – Eta Chapter invites everyone to the 2025 Oblation Run|url=https://www.facebook.com/OfficialUPDiliman/posts/the-alpha-phi-omega-fraternity-eta-chapter-apo-invites-everyone-to-the-2025-obla/1031771128979127/|access-date=March 15, 2025|website=UP Diliman Official Facebook Page|publisher=University of the Philippines Diliman}}{{Primary source inline|date=April 2025}}

While the event has faced criticism from some quarters, it continues to be a significant tradition at UP Diliman, embodying the university's spirit of activism and commitment to national issues.

File:Lantern Parade 2007.jpg

Two of the most-awaited events inside the campus are the Lantern Parade, held in the last week before the Christmas break, and the U.P. Fair, held every February (for 2025, it will be held on April). During the Lantern Parade, the individual colleges as well as groups within U.P.D. create Christmas lanterns and floats and parade around the Academic Oval, culminating in a lengthy program held in front of the Amphitheater capped off by a massive fireworks display. In recent years the event has become so popular even outside of UP that media outlets and major Manila television networks regularly send crews to broadcast the event live.{{cite web|last=Morong|first=Joseph|title=Makukulay at naggagandahang floats, bumida sa UP Lantern Parade|url=http://www.gmanetwork.com/news/video/102701/makukulay-at-naggagandahang-floats-bumida-sa-up-lantern-parade|publisher=GMA Network, Inc.|access-date=February 29, 2012|archive-date=January 12, 2023|archive-url=https://web.archive.org/web/20230112214251/https://www.gmanetwork.com/news/video/stateofthenation/102701/makukulay-at-naggagandahang-floats-bumida-sa-up-lantern-parade/video/|url-status=live}}

The U.P. Fair, organized by the UP Diliman University Student Council, is a week-long event held at the Sunken Garden that features evening music concerts, booths, and amusement park rides. Typically falling during the third week of February, students and youth even from outside the U.P. System flock to the nightly concerts.

Student politics at the UP Diliman is characterized by its intensity, historical significance, and national visibility, setting it apart from other Philippine universities. The university has long been a hub for political discourse, activism, and governance,{{cite web|date=April 12, 2023|title=Why UP Diliman's student politics is different from other universities|url=https://www.interaksyon.com/politics-issues/2023/04/12/up-diliman-student-politics-vs-other-universities/|access-date=March 15, 2025|website=Interaksyon|publisher=Philstar Global}}  with student-led movements influencing both campus policies and national affairs.{{cite web|date=April 20, 2022|title=UP student council elections: A reflection of national issues|url=https://www.rappler.com/moveph/up-student-council-elections-reflection-national-issues/|access-date=March 15, 2025|website=Rappler|publisher=Rappler News}}  While student politics exist in other universities across the country, UP Diliman is unique in the depth, frequency, and national impact of its political activities. In contrast to private universities where student government elections tend to focus on campus-specific concerns, UP Diliman's student movements regularly intersect with national issues, drawing participation from faculty, alumni, and broader activist networks.{{cite web|date=September 21, 2023|title=Student activism and the role of UP Diliman in Philippine history|url=https://news.abs-cbn.com/specials/student-activism-up|access-date=March 15, 2025|website=ABS-CBN News|publisher=ABS-CBN}}

Unlike in most other universities where student politics remain largely confined to campus issues, UP Diliman's University Student Council (USC){{cite web|date=October 15, 2023|title=UP students lead nationwide protests against controversial laws|url=https://www.gmanetwork.com/news/topstories/nation/760005/up-students-lead-protests-vs-anti-terror-law|access-date=March 15, 2025|website=GMA News|publisher=GMA Network}}  elections, protests, and advocacy campaigns often gain mainstream media coverage and influence public discourse. UP Diliman has played a central role in Philippine student activism, particularly during the First Quarter Storm (1970–1972), the Diliman Commune (1971), and protests against Martial Law. Even in contemporary times, UP Diliman students remain at the forefront of national protest movements, particularly on issues related to democracy, press freedom, and human rights.

UP Diliman has several student political parties representing a wide ideological spectrum,{{cite web|date=February 12, 2024|title=Understanding UP Diliman's student political parties|url=https://phkule.org/article/551/how-upds-political-parties-have-swapped-bailiwicks-through-the-decade/|access-date=March 15, 2025|website=Philippine Collegian|publisher=UPD Student Publication}} from progressive groups advocating for systemic change to centrist and moderate organizations focusing on student welfare and governance. The annual USC elections are highly contested and often serve as a barometer for national political trends.

UP Diliman's tradition of activism has also shaped national governance, with many student leaders later becoming political figures, human rights lawyers, and national policymakers.{{cite web|date=June 30, 2022|title=From student activists to national leaders: UP alumni in politics|url=https://www.manilatimes.net/2022/06/30/from-student-activists-to-national-leaders-up-alumni/1840642|access-date=March 15, 2025|work=Manila Times}}   Despite its long tradition of activism, voter turnout in student council elections has declined in recent years, with only 35.32% participation in 2022, a sharp drop from previous years. Analysts attribute this decline to student disengagement, online learning disruptions, and a shift in political priorities among younger voters. However, national and global political events often revitalize student activism, demonstrating its enduring presence within the UP Diliman community.{{cite web|date=May 15, 2023|title=Why voter turnout in UP student elections is declining|url=https://www.rappler.com/moveph/analysis-declining-voter-turnout-up-elections/|access-date=March 15, 2025|website=Rappler|publisher=Rappler News}}  

{{main|UP Fighting Maroons}}

File:UAAP Season 73- UE Red Warriors vs. UP Fighting Maroons, Sept. 11, 2010.jpg

The UP Fighting Maroons is the name of the collegiate varsity teams of the University of the Philippines Diliman, which play in the University Athletic Association of the Philippines (UAAP), the premiere sports league in the country. The collegiate women's varsity teams are also sometimes called the Lady Maroons. The University of the Philippines Integrated School is the affiliate juniors division high school. They play as the Junior Maroons, formerly the Preps.

U.P. Diliman represents the U.P. System in the University Athletic Association of the Philippines (UAAP) and participates in all events. The Fighting Maroons have perennially placed in the top three in the overall points race of the UAAP. One of the most popular athletic teams in the program is the U.P. Pep Squad, a heavyweight in the annual UAAP Cheerdance Competition.

On January 8, 2008, the University of the Philippines System, with 7 constituent universities and 12 campuses offering 258 undergraduate and 438 graduate programs, began its centennial celebration at the Diliman campus.

The university has produced 7 of 17 presidents (8, including Bong Bong Marcos who did not finish his degree in UP Law), 14 chief justices of the Supreme Court, 34 of 35 national scientists and 36 of 57 national artists, 1 Nobel Laureate, and an estimated 300,000 alumni (20,000 doctors, 12,000 lawyers and 30,000 teachers).{{cite web|title=Inquirer Opinion – Inquirer Opinion|url=http://opinion.inquirer.net/inquireropinion/editorial/view_article.php?article_id=110945|url-status=dead|access-date=July 16, 2015|archive-url=https://web.archive.org/web/20090924053338/http://opinion.inquirer.net/inquireropinion/editorial/view_article.php?article_id=110945|archive-date=September 24, 2009}} Of the senators serving in the 2010–2013 term, 14 were from UP.{{cite web|last=Calderon|first=Justin|title=UP Diliman: A nation builder for the Philippines|url=http://investvine.com/up-diliman-a-nation-builder/|url-status=live|work=Inside Investor|date=April 21, 2013|access-date=April 29, 2013|archive-url=https://web.archive.org/web/20130501034524/http://investvine.com/up-diliman-a-nation-builder/|archive-date=May 1, 2013}} File:Oblation Plaza during fireworks display.jpg

Fernando Javier, 100, of Baguio, eldest living U.P. alumnus (Civil Engineering from the University of the Philippines Manila, 1933), began the 100-torch relay at the U.P. academic oval in Diliman, Quezon City. The 99th torchbearer was Michael Reuben Dumlao, youngest, a 6th-grader from the University of the Philippines Integrated School in U.P. Diliman. Then-U.P. president Emerlinda R. Roman, also its first woman president, ignited the centennial cauldron in front of the U.P. Oblation plaza.{{cite web|url=http://newsinfo.inquirer.net/inquirerheadlines/nation/view/20080106-110642/UP_passes_torch_100-yr-old_to_6th_grader|title=UP passes torch: 100-yr-old to 6th grader – INQUIRER.net, Philippine News for Filipinos|access-date=July 16, 2015|url-status=dead|archive-url=https://web.archive.org/web/20120307171230/http://newsinfo.inquirer.net/inquirerheadlines/nation/view/20080106-110642/UP_passes_torch_100-yr-old_to_6th_grader|archive-date=March 7, 2012}}

The cauldron featured three pillars — representing the university's core values of Excellence, Leadership and Service — and seven flowers representing the constituent universities: U.P. Manila, U.P. Diliman (together with U.P. Pampanga, its extension campus), U.P. Los Baños, U.P. Baguio, U.P. Visayas, U.P. Mindanao, and U.P. Open University.[https://web.archive.org/web/20230408211352/https://mb.com.ph/YTCP20080109113844.html www.mb.com.ph, UP alumni light the perpetual flame at centennial rites]

The centennial celebration came with a massive fund-raising campaign for the U.P. System, and generous donations from alumni came pouring in. One of the largest was the GT-Toyota Asian Cultural (ACC) Center, a gleaming 100-million-peso, one-hectare complex envisioned to be a major hub of campus activity as well as the main site of the Asian Center's different collaborations.{{cite web|last=Regidor|first=Anna Kristine|title=New Asian Center building inaugurated|url=http://www.upd.edu.ph/~updinfo/octnovdec08/articles/asiangallery2009B.html|publisher=UP Diliman Information Office|access-date=February 24, 2012|archive-date=January 14, 2014|archive-url=https://web.archive.org/web/20140114203149/http://www.upd.edu.ph/~updinfo/octnovdec08/articles/asiangallery2009B.html|url-status=live}}

The University of the Philippines Diliman (UP Diliman) hosts a diverse array of fraternities and sororities, each contributing significantly to the university's culture and producing notable alumni across various sectors. Here's an overview of some of these Greek organizations and their distinguished members:

Fraternities:

• Alpha Phi Beta (ΑΦΒ): Established in 1939, APB is a law-based fraternity known for producing prominent figures such as Chief Justice Reynato Puno and Governor Francis Escudero.
• Sigma Rho (ΣΡ): Founded in 1938, Sigma Rho is one of the oldest law fraternities in Asia. Notable alumni include Justice Antonio Carpio, Presidential Spokesperson Salvador Panelo, and Senator Sonny Angara.{{cite web|title=University of the Philippines College of Law – Fraternities and Sororities|url=http://law.upd.edu.ph/index.php?option=com_content&view=category&id=214&Itemid=409|url-status=dead|archive-url=https://web.archive.org/web/20150207192109/http://law.upd.edu.ph/index.php?option=com_content&view=category&id=214&Itemid=409|archive-date=February 7, 2015|access-date=December 15, 2017|publisher=University of the Philippines College of Law}}
• Alpha Sigma (ΑΣ): This fraternity has contributed significantly to various sectors, with members like former UP Law Dean and current International Criminal Court Judge Raul Pangalangan.
• Alpha Phi Omega (ΑΦΩ): APO is an international service fraternity that has produced leaders such as COMELEC Chairperson Haydee Yorac and former Vice President Jejomar Binay.
• Pi Sigma (ΠΣ): Known for its socio-political advocacy, Pi Sigma counts among its alumni Arnel Casanova, former CEO of the Bases Conversion and Development Authority.
• Upsilon Sigma Phi (ΥΣΦ): Established in 1918, it is the oldest Greek-letter fraternity in Asia. Its illustrious roster includes President Ferdinand Marcos, President Jose P. Laurel, Senator Benigno Aquino Jr., Senator Richard Gordon, and Senator Francis Pangilinan.
• Tau Alpha (ΤΑ): Founded in 1932, Tau Alpha is an engineering fraternity known for its contributions to the engineering field and community service initiatives.
• Beta Sigma (ΒΣ): Established in 1946, Beta Sigma has a rich history of fostering brotherhood and excellence among its members.
• Tau Gamma Phi (ΤΓΦ): Also known as the Triskelions' Grand Fraternity, it was founded in 1968 and is recognized for its emphasis on leadership and community service.

Sororities:

• UP Delta Lambda Sigma (UP ΔΣΛ): This sorority has nurtured leaders like Senator Pia Cayetano, who has made significant contributions to legislation and women's rights.
• UP Portia: A sorority based in the UP College of Law, it boasts alumni such as former UP Law Dean Fides Cordero-Tan and Chief Justices Maria Lourdes Sereno and Teresita de Castro.
• Alpha Sigma Nu (ΑΣΝ) The sister sorority of Alpha Sigma fraternity, it has been instrumental in various socio-civic activities within and outside the university.
• Tau Gamma Sigma (ΤΓΣ): Established in 1969, also known as the Triskelions' Grand Sorority, it has notable members like Associate Justice Rosmari Carandang and former Marikina Mayor Marides Fernando{{cite web|date=January 18, 2013|title=Pi Sigma Fraternity – iskomunidad|url=https://iskomunidad.upd.edu.ph/index.php/Pi_Sigma_Fraternity|access-date=July 8, 2020|website=iskomunidad.upd.edu.ph|archive-date=July 10, 2020|archive-url=https://web.archive.org/web/20200710225449/https://iskomunidad.upd.edu.ph/index.php/Pi_Sigma_Fraternity|url-status=live}}{{cite web|last=Abinales|first=Patricio N.|title=UP's gangland wars: A historical note|url=http://www.rappler.com/thought-leaders/97510-up-gangland-wars-historical-note|access-date=July 8, 2020|website=Rappler|date=June 27, 2015|archive-date=August 9, 2019|archive-url=https://web.archive.org/web/20190809181443/https://www.rappler.com/thought-leaders/97510-up-gangland-wars-historical-note|url-status=live}}{{cite web|date=August 12, 2009|title=Alpha Sigma Fraternity – iskomunidad|url=https://iskomunidad.upd.edu.ph/index.php/Alpha_Sigma_Fraternity|access-date=July 8, 2020|website=iskomunidad.upd.edu.ph|archive-date=July 9, 2020|archive-url=https://web.archive.org/web/20200709060328/https://iskomunidad.upd.edu.ph/index.php/Alpha_Sigma_Fraternity|url-status=live}}.{{cite web|last=April 2020|first=Aldwin Galapon|date=May 6, 2020|title=Philip Sigfrid A. Fortun|url=https://www.upvanguard.org/alumni/trailblazers/philip-sigfrid-a-fortun/|access-date=July 8, 2020|website=The UP Vanguard Incorporated|language=en-US|archive-date=September 30, 2020|archive-url=https://web.archive.org/web/20200930052335/https://www.upvanguard.org/alumni/trailblazers/philip-sigfrid-a-fortun/|url-status=live}}

Each of these organizations has a unique initiation process designed to assess a candidate's emotional stability, physical endurance, and mental capacity, ensuring that new members uphold the values and traditions of their respective fraternities or sororities. These Greek organizations have played pivotal roles in shaping leaders who have significantly impacted Philippine society across various sectors.

The Philippine Collegian

The Philippine Collegian, also known as "Kulê", is the official student publication of UP Diliman. Established in 1922, it is one of the oldest student publications in the country. The publication is known for its progressive stance, investigative journalism, and active participation in socio-political issues. It played a crucial role during Martial Law as a medium for student activism.{{cite web|title=About UP JMA|url=https://www.upjma.com/about|access-date=March 15, 2025|website=UP JMA}}  

UP Diliman has played a significant role in Philippine popular culture, frequently depicted in film, television, and music as a symbol of intellectualism, activism, and personal transformation. Its sprawling campus, iconic landmarks, and vibrant student life have made it a favored setting for stories that explore themes of youth, romance, ambition, and social change. UP Diliman's reputation as a hub for progressive thought and artistic innovation has also influenced the narratives of many works, shaping how the university is perceived in the national consciousness. Whether as a backdrop for coming-of-age films, a setting for politically charged narratives, or a reference in music that evokes nostalgia and camaraderie, UP Diliman remains deeply embedded in Philippine cultural and artistic expression.

UP Diliman has been featured in several notable Filipino films and television series, often serving as a setting that enhances the narrative's themes of education, personal growth, and societal issues. I'm Drunk, I Love You (2017),{{cite web|title=I'm Drunk, I Love You – UP Film Institute Screening|url=https://filminstitute.upd.edu.ph/event/im-drunk-love/|access-date=March 15, 2025|website=UP Film Institute|publisher=University of the Philippines Diliman}} directed by JP Habac, follows two college best friends, Carson and Dio, as they embark on a road trip shortly before graduation. The film explores themes of unrequited love and the transition from university life to adulthood, with UP Diliman serving as a significant backdrop. Similarly, Dagitab (2014),{{cite web|title=Dagitab: A UP Professor's Story on Love and Academia|url=https://www.spot.ph/entertainment/movies-music-tv/58367/dagitab-review-2014|access-date=March 15, 2025|website=Spot.ph|publisher=Summit Media}} directed by Giancarlo Abrahan, portrays the lives of two UP professors struggling with personal and professional dilemmas. The narrative delves into themes of love, infidelity, and existential crises, with UP Diliman's academic setting reinforcing its exploration of intellectual life.

The university has also been depicted in classic Filipino films. Dekada '70 (2002),{{cite web|title=How Dekada '70 Depicted Student Activism at UP Diliman|url=https://www.rappler.com/entertainment/movies/dekada-70-film-student-activism/|access-date=March 15, 2025|website=Rappler}} directed by Chito S. Roño and based on Lualhati Bautista's novel, portrays the struggles of a middle-class family during the Marcos dictatorship. The film prominently features UP Diliman as a center of student activism, reflecting the university's historical role in resistance movements. Moral (1982),{{cite web|title=Moral (1982): The UP Diliman-Set Coming-of-Age Classic|url=https://esquiremag.ph/culture/movies-and-tv/classic-filipino-films-moral-a00287-20190318-lfrm|access-date=March 15, 2025|website=Esquire Philippines|publisher=Summit Media}} directed by Marilou Diaz-Abaya, captures the struggles of four women dealing with social and personal challenges, with portions of the film shot within UP Diliman to emphasize youth and activism. Mangarap Ka (1995),{{cite web|title=Throwback: Remembering Mangarap Ka|url=https://www.pep.ph/guide/movies/14145/throwback-remembering-mangarap-ka|access-date=March 15, 2025|website=PEP.ph|publisher=Philippine Entertainment Portal}} directed by Rory B. Quintos, follows a young man's pursuit of his dreams, with the university symbolizing his aspirations for knowledge and success. Starting Over Again (2014),{{cite web|title=Starting Over Again and UP Setting|url=https://www.pep.ph/guide/movies/13304/starting-over-again-2014-movie-review-a-genuinely-affecting-romance|access-date=March 15, 2025|website=PEP.ph|publisher=Philippine Entertainment Portal}} directed by Olivia M. Lamasan, features a backstory involving a professor-student relationship at UP Diliman, though its university scenes were not filmed on the actual campus. Alone/Together (2019),{{cite news|title=Alone/Together and the UP Experience|url=https://entertainment.inquirer.net/319778/alone-together-a-film-about-hope-and-second-chances|access-date=March 15, 2025|newspaper=Philippine Daily Inquirer}} directed by Antoinette Jadaone, prominently used UP Diliman as a backdrop, following the journey of two college sweethearts as they reconnect years after their time at the university.

In television, UP Diliman played a key role in Ina, Kapatid, Anak (2012–2013),{{cite web|title=Ina, Kapatid, Anak: College Scenes Set in UP|url=https://www.imdb.com/title/tt9237400/|access-date=March 15, 2025|publisher=IMDb}} where central characters were depicted as students of the university. The campus setting was integral to the development of the story.

Beyond film and television, UP Diliman has left a lasting imprint on Filipino music, particularly through the Eraserheads,{{cite web|title=Minsan sa May Kalayaan: The Eraserheads and UP|url=https://breedinglikelarva.wordpress.com/2021/05/29/minsan-sa-may-kalayaan/|access-date=March 15, 2025|website=Breeding Like Larva|date=May 29, 2021}} one of the most influential Filipino rock bands. The band's members met while attending the university in 1989, and their experiences at UP Diliman have been immortalized in their music. Their song Minsan reflects on their formative years and friendships at the university, specifically referencing the Kalayaan Residence Hall, where they lived as freshmen. Another song, 1995, released in 2014, features a music video that concludes with the band standing in front of the Oblation statue, a symbol of their connection to their alma mater.

In recognition of their contributions to Filipino music and culture, the Eraserheads were conferred the Gawad Oblation by the University of the Philippines in August 2024. This prestigious award honors individuals and organizations that have rendered extraordinary service to the university and the nation.{{cite web|title=Eraserheads Conferred UP Gawad Oblation Award|url=https://philstarlife.com/geeky/287443-eraserheads-conferred-up-gawad-oblation|access-date=March 15, 2025|website=PhilStar Life|publisher=Philippine Star}}

{{Main|List of University of the Philippines Diliman people}}

Since UP was not organized as a university system until 1972, non-medical graduates of the University of the Philippines from the original campus in Manila, prior to its relocation in Diliman in 1949, are considered alumni of both UP Diliman and UP Manila. Also, graduates of what is now the University of the Philippines Baguio until 1999 are also considered alumni of UP Diliman, as the former was previously an extension college of the latter. The University of the Philippines Diliman has numerous notable alumni and faculty. UP graduated many leading figures in the country. In the country's political history, UP has produced former Philippine presidents, José P. Laurel and Ferdinand E. Marcos; former Philippine vice-presidents, Elpidio Quirino, Diosdado Macapagal, Salvador Laurel, Gloria Macapagal Arroyo, Jejomar Binay and Leni Robredo; statesmen Benigno Aquino Jr., Arturo Tolentino, Gerardo Roxas, and Doy Laurel; prominent jurists such as former chief justices Querube Makalintal, Enrique Fernando; and members of Congress such as Senator Francis Pangilinan and Representative Martin Romualdez. In business, Araneta patriarch and billionaire Jorge L. Araneta graduated from UP.See List of University of the Philippines College of Law alumni

• DZUP 1602
• Church of the Holy Sacrifice
• Jorge B. Vargas Museum and Filipiniana Research Center

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• [http://www.up.edu.ph/ University of the Philippines system]
• [http://www.upd.edu.ph/ University of the Philippines Diliman]
• [http://www.gmanews.tv/video/16498/UP-students-join-festive-launch-of-centennial-year GMA NEWS.TV, video, UP students join the festive launch of the centennial year, 01/08/2008]

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