Mamaroneck High School is a four-year public school located in Mamaroneck, New York. The school is part of the Mamaroneck Union Free School District. The enrollment area includes the town of Mamaroneck, as well as the villages of Mamaroneck and neighboring Larchmont.
In the U.S. News & World Report List of Best High Schools in 2026, Mamaroneck High School is ranked #6,997 in National High Schools, and #141 in New York. It has achieved a score of 61.01/100.
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History
Mamaroneck High School was established in 1928. Various architectural modifications were made in the interim.
The auditorium was built in 2005, spanning 28,000 square feet and stretching three stories high. The building cost $15.8 million, and it was designed by Brian Snyder of The Geddis Partnership.
Academics
Mamaroneck High School offers a variety of Advanced Placement classes to students. Students are offered classes including AP Psychology, AP Music Theory, AP World History, AP Computer Science Principles, AP US History, AP English Language, AP Physics 1, etc. Students also have the option to submit an AP Studio Art portfolio in either Drawing and Painting, Photography, or Clay. In 2010, 2.415 AP tests were taken per graduating senior, and this garnered a ranking of 452 on Newsweek's annual list of America's Best High Schools.
In addition, Mamaroneck High School also offers a large number of dual-enrollment courses. These include Introduction to Sociology administered by Syracuse University, College Composition by Iona College, as well as Intermediate Spanish/French/Chinese, Introduction Creative Writing, a three-year program in Original Science Research with SUNY Albany and a four program in Original Civic Research and Action.
Activities
Speech and debate
Mamaroneck High School has a Speech and Debate team that trains students in policy debate and does not compete in any speech events. The high school participates in local and state, as well as national tournaments. In 2019 and 2021, the Mamaroneck policy debate team won the New York state championship. Mamaroneck High School is ranked among some of the top high schools for debate in the nation, with several recent victories in the national Tournament of Champions. In addition to attending tournaments in other schools, Mamaroneck High School hosts its own annual NY Fall Faceoff tournament.
Policy
Students of the Original Civic Research and Action club have drafted legislation that was passed by the New York State Senate dubbed Vote 17 NY, which would give 17 year olds the right to vote in primaries if they would be 18 by the general election.
Athletics
Mamaroneck High School is athletic rivals with Scarsdale High School. They were the 2025-2026 Section 1 Class AAA boys basketball champions and state semifinalists. They were also the 2025-2026 Section 1 Football Champions.
In addition, the school was ranked #1 in the 2026 Week 1 New York Hacky-Sack Rankings.
Notable alumni
Between 2005 and 2015, Mamaroneck High School alumni have been nominated for nine Academy Awards.
Gerald B. Appel, celebrity doctor and researcher
Fred Berger, film producer
Elizabeth Berridge, actress
Isobel Coleman, author and entrepreneur
Susan Dentzer, journalist
David Siegel, computer scientist and philanthrophist
Kevin Dillon, actor
Matt Dillon (attended, but dropped out), actor
Dan Engel, software entrepreneur
Dan Futterman, actor
Rob Gardner (attended, but transferred), drummer and founding member of Guns N' Roses
Al Giordano, journalist
Thomas Hauser, author
Tor Hyams, musician
Elizabeth Kolbert, journalist
Danny Kortchmar, musician
Scott Leius, professional Major League Baseball player
Bennett Miller, film director
Jill Novick, actress
Michael O'Keefe, actor