Mount Sinai High School Alumni

Mount Sinai, New York (NY)

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Mount Sinai High School NY Alumni

Home Of The Mustangs!

Welcome! Register as an alumni from Mount Sinai High School and reunite with 1,137 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!

Find Classmates in Your Graduating Class

Military Alumni

Military High School Alumni

Honoring Our Heroes

This area is dedicated to our alumni that have served or are serving in our armed forces!

Classmates Spotlight

Mount Sinai High School Classmates

Lauren Moccio
Class of '04

Mount Sinai High School Class Reunions


Post your Mount Sinai High School class reunion information here and receive a free reunion planning website with the reunion tools you need for the perfect class reunion.

Alumni Stories

High School Alumni Stores

Read and submit stories about our classmates from Mount Sinai High School, post achievements and news about our alumni, and post photos of our fellow Mustangs.

School News

Do you have any news to share? Keep our classmates informed on news and current events! Please post all reunion information in the reunion area.