Ontario High School - Class of 1991 Alumni
Join thousands of alumni from Ontario High School and the Class of 1991. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/20 vs Rialto
08/27 vs La Sierra
09/03 vs Jurupa Valley
09/10 vs Pacific
09/16 vs Montclair
10/01 vs Duarte
10/08 vs Sierra Vista
10/14 vs La Puente
10/22 vs Azusa
10/29 vs Wilson (Hacienda Heights)
08/27 vs La Sierra
09/03 vs Jurupa Valley
09/10 vs Pacific
09/16 vs Montclair
10/01 vs Duarte
10/08 vs Sierra Vista
10/14 vs La Puente
10/22 vs Azusa
10/29 vs Wilson (Hacienda Heights)
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.Class Yearbook
View past yearbooks
Recently joined '91 Classmates
Telly Amaro
Class of 1991
Ryan Tate
Class of 1991
Connect with Class of 1991 Classmates
Nearby Ontario Classmates
Class of 1989
37 classmates have joined
Class of 1990
26 classmates have joined
Class of 1992
22 classmates have joined
Class of 1993
25 classmates have joined