Collinsville High School - Class of 2003 Alumni
Join thousands of alumni from Collinsville High School and the Class of 2003. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/27 vs Springfield
09/04 vs Mt. Vernon
09/10 vs Granite City
09/17 vs Alton
09/24 vs Mascoutah
10/01 vs Belleville East
10/08 vs Triad
10/15 vs Edwardsville
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
Sarah Linhart
Class of 2003
Nicholas Hilboldt
Class of 2003
Misty Murphy
Class of 2003
Lindsay Zimmerman
Class of 2003
Michael Boothman
Class of 2003
Amy Hallows
Class of 2003
Amelia Milentz
Class of 2003
Connect with Class of 2003 Classmates
Nearby Collinsville Classmates
Class of 2001
33 classmates have joined
Class of 2002
19 classmates have joined
Class of 2004
28 classmates have joined
Class of 2005
27 classmates have joined