La Sierra High School - Class of 2003 Alumni, Riverside CA
Join thousands of alumni from La Sierra High School and the Class of 2003. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/21 vs Whittier Christian
08/27 vs Ontario
09/10 vs Adelanto
09/16 vs Chaffey
09/24 vs San Bernardino
10/01 vs Jurupa Valley
10/08 vs Rubidoux
10/15 vs San Bernardino
10/22 vs Jurupa Valley
10/29 vs Rubidoux
08/27 vs Ontario
09/10 vs Adelanto
09/16 vs Chaffey
09/24 vs San Bernardino
10/01 vs Jurupa Valley
10/08 vs Rubidoux
10/15 vs San Bernardino
10/22 vs Jurupa Valley
10/29 vs Rubidoux
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
Glenn Miller
Class of 2003
Connect with Class of 2003 Classmates
Nearby La Sierra Classmates
Class of 2001
28 classmates have joined
Class of 2002
36 classmates have joined
Class of 2004
32 classmates have joined
Class of 2005
17 classmates have joined