Mount Sinai High School - Class of 1991 Alumni

Join thousands of alumni from Mount Sinai High School and the Class of 1991. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Upcoming Class of 1991 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1991 Reunions

Browse past reunion events and photos for your class here.

Mount Sinai '91 Apparel

Browse our apparel store for a wide range of Mustangs gear, from t-shirts and hoodies, to caps and accessories.

Class Yearbook

View past yearbooks

Connect with Class of 1991 Classmates

Joseph Jimenez

Laurie Driscoll

Nearby Mount Sinai Classmates

Class of 1992

2 classmates have joined

View Class of 1992 Alumni

Class of 1993

6 classmates have joined

View Class of 1993 Alumni