Ontario High School - Class of 2003 Alumni
Join thousands of alumni from Ontario High School and the Class of 2003. 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 2003 Reunions
Browse past reunion events and photos for your class here.Past Class of 2003 Reunions
Browse past reunion events and photos for your class here.Class Yearbook
View past yearbooks
Recently joined '03 Classmates
Jessica Brown
Class of 2003
Joseph Camacho
Class of 2003
Alfonso Romero
Class of 2003
Andrew Cruz
Class of 2003
Crystal Faulkner
Class of 2003
Connect with Class of 2003 Classmates
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