Ontario High School - Class of 1975 Alumni
Join thousands of alumni from Ontario High School and the Class of 1975. 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 1975 Reunions
Browse past reunion events and photos for your class here.Past Class of 1975 Reunions
Browse past reunion events and photos for your class here.Class Yearbook
View past yearbooks
Recently joined '75 Classmates
James S. Chandler
Class of 1975
Judy Sullivan
Class of 1975
Darryl Azevedo
Class of 1975
Laura Ormonde
Class of 1975
Connect with Class of 1975 Classmates
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Class of 1973
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Class of 1974
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Class of 1976
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Class of 1977
12 classmates have joined