Old Saybrook High School

{{Use mdy dates|date=January 2025}}

{{Infobox school

| name = Old Saybrook High School

| streetaddress = 1111 Boston Post Road

| city = Old Saybrook

| state = Connecticut

| zipcode = 06475

| country = United States

| coordinates = {{Coord|41.289|-72.397|format=dms|display=inline,title}}

| ceeb = 070605

| schooltype = High school

| fundingtype = Public

| district = Old Saybrook Public Schools

| superintendent = Jan Perruccio

| principal = Joseph Anastasio

| grades = 9-12

| ratio = 8.82

| teaching_staff = 39.10 (FTE)

| enrollment = 345 (2023-2024){{cite web|url=https://nces.ed.gov/ccd/schoolsearch/school_detail.asp?Search=1&DistrictID=0903180&ID=090318000684|title=Old Saybrook Senior High School|publisher=National Center for Education Statistics|accessdate=December 11, 2024}}

| mascot = Ram

| colors = Blue and white
{{color box|blue|border=silver}}{{color box|white|border=silver}}

| accreditation = NEASC

| newspaper = Rambler

| website = {{URL|https://oshs.oldsaybrookschools.org/}}

}}

Old Saybrook High School is a secondary school located in Old Saybrook, Connecticut, United States. It has a current enrollment of 444.{{cite web |title=Old Saybrook Senior High School |url=https://nces.ed.gov/ccd/schoolsearch/school_detail.asp?Search=1&InstName=Old+Saybrook+High+School&SchoolType=1&SchoolType=2&SchoolType=3&SchoolType=4&SpecificSchlTypes=all&IncGrade=-1&LoGrade=-1&HiGrade=-1&ID=090318000684 |website=National Center for Education Statistics}} with a student to teacher ratio of about 9.74. Old Saybrook students consistently exceed national and state averages on standardized tests.{{cite web |title=Old Saybrook Senior High School Test Scores |url=https://www.usnews.com/education/best-high-schools/connecticut/districts/old-saybrook-school-district/old-saybrook-senior-high-school-4512/test-scores |website=US News}} The school, its students and its teachers have won numerous awards in academics, the arts, athletics and other areas.

Image:Turtle model at the Royal navy submarine museum.jpg

In 1976, a re-creation of the first submarine ever used in battle, the American Turtle, was designed by Joseph Leary and constructed by Fred Frese as a Bicentennial project. It was christened by Connecticut's governor, Ella Grasso, and later tested in the Connecticut River. It is owned by the Connecticut River Museum and is currently on loan to Old Saybrook Senior High School, where students under the direction of Fred Frese are currently building a working re-creation of that model.

Old Saybrook High School is also known for its athletics and art programs. The 2012 wrestling and 2005 boys' basketball teams won their respective state championships. Old Saybrook High School's track and field teams have had much success in the previous years, winning several conference tournaments.