Keystone High School - Class of 1975 Alumni, Knox PA
Join thousands of alumni from Keystone High School and the Class of 1975. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/27 vs Brockway
09/03 vs Karns City
09/10 vs Ridgway/Johnsonburg
09/17 vs Central Clarion (CO-OP)
09/24 vs Kane
10/01 vs Union‑AC Valley (CO‑OP)
10/08 vs Cameron County
10/15 vs Redbank Valley
10/22 vs Moniteau
10/29 vs Titusville
09/03 vs Karns City
09/10 vs Ridgway/Johnsonburg
09/17 vs Central Clarion (CO-OP)
09/24 vs Kane
10/01 vs Union‑AC Valley (CO‑OP)
10/08 vs Cameron County
10/15 vs Redbank Valley
10/22 vs Moniteau
10/29 vs Titusville
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
Connect with Class of 1975 Classmates
Nearby Keystone Classmates
Class of 1973
13 classmates have joined
Class of 1974
23 classmates have joined
Class of 1976
11 classmates have joined
Class of 1977
16 classmates have joined