Old school

• Old school gaming or retrogaming, playing and collecting obsolete computer, video, and arcade games
• Old School Renaissance, a trend in tabletop gaming
• Old School RuneScape, a playable 2007 version of the MMORPG RuneScape
• Oldskool, in demoscene, a production made before the mid-1990s

• Old School (2003 film), an American comedy film
• Old School (2002 film), a Nigerian comedy film
• Old School (TV series), a 2014 Australian drama series
• "Old School" (Brooklyn Nine-Nine), a 2013 television episode
• "Old School" (Runaways), a 2018 television episode
• "Old School" (Yin Yang Yo!), a 2006 television episode

• Old School (novel), a 2003 novel by Tobias Wolff
• Old School: Life in the Sane Lane, a 2017 book by Bill O'Reilly and Bruce Feirstein
• Diary of a Wimpy Kid: Old School, a 2015 book by Jeff Kinney

• Old-school hip hop
• Oldskool hardcore or breakbeat hardcore
• Urban oldies, or Old School, a radio format

• Old School (quartet), an American barbershop quartet
• Ol' Skool, an American new jack swing group

• Old School (Helix album), 2019
• Old School (Nils Lofgren album), 2011
• Oldschool (Nena album), 2015
• Ol' School, by Ohio Players, 1996
• Old School (EP), by Tebey, 2016
• Old Skool (EP), by Armin van Buuren, 2016
• Old School, a box set by Alice Cooper, 2011

• "Old School" (Hedley song), 2008
• "Old School" (John Conlee song), 1985
• "Old School", by Aaliyah from Age Ain't Nothing but a Number, 1994
• "Old School", by Boss Hog, 1999
• "Old School", by Danger Doom from The Mouse and the Mask, 2005
• "Old School", by Overkill from ReliXIV, 2005
• "Oldschool", a 2015 song by Baby Alice
• "Old School", by Toby Keith from Peso in My Pocket, 2021
• "Old School", by Tupac Shakur, a B-side of "Dear Mama", 1995

• Old school (tattoo), a traditional tattoo style
• Old School–New School Controversy, a schism of the Presbyterian Church in the United States of America
• Old School, or arm twist ropewalk chop, a professional wrestling aerial technique used by The Undertaker
• Koryū, translated as "old school", a category of Japanese martial arts

• {{Look from|Old School}}
• {{Look from|Old Skool}}
• Retro style
• Vintage (design)
• Jeune École

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