O'fallon High School - Class of 1983 Alumni
Join thousands of alumni from O'fallon High School and the Class of 1983. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/21 vs Quincy
08/27 vs Francis Howell
09/03 vs Troy‑Buchanan
09/10 vs East St. Louis
09/17 vs Belleville West
09/24 vs Triad
10/01 vs Edwardsville
10/08 vs Belleville East
10/15 vs Alton
08/27 vs Francis Howell
09/03 vs Troy‑Buchanan
09/10 vs East St. Louis
09/17 vs Belleville West
09/24 vs Triad
10/01 vs Edwardsville
10/08 vs Belleville East
10/15 vs Alton
Upcoming Class of 1983 Reunions
Browse past reunion events and photos for your class here.Past Class of 1983 Reunions
Browse past reunion events and photos for your class here.Class Yearbook
View past yearbooks
Connect with Class of 1983 Classmates
Nearby O'fallon Classmates
Class of 1981
6 classmates have joined
Class of 1982
10 classmates have joined
Class of 1984
10 classmates have joined
Class of 1985
13 classmates have joined