Ontario High School - Class of 1973 Alumni
Join thousands of alumni from Ontario High School and the Class of 1973. 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 1973 Reunions
Browse past reunion events and photos for your class here.Past Class of 1973 Reunions
Browse past reunion events and photos for your class here.Class Yearbook
View past yearbooks
Recently joined '73 Classmates
Laura Ornelas
Class of 1973
Lisa Hawkins
Class of 1973
Connect with Class of 1973 Classmates
Nearby Ontario Classmates
Class of 1971
12 classmates have joined
Class of 1972
9 classmates have joined
Class of 1974
15 classmates have joined
Class of 1975
24 classmates have joined