Keystone High School - Class of 1973 Alumni, Knox PA
Join thousands of alumni from Keystone High School and the Class of 1973. 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
'73 Reunion Info
Class Yearbook
View past yearbooks
Recently joined '73 Classmates
Bob Mattern
Class of 1973
Desiree King
Class of 1973
Connect with Class of 1973 Classmates
Nearby Keystone Classmates
Class of 1971
11 classmates have joined
Class of 1972
6 classmates have joined
Class of 1974
23 classmates have joined
Class of 1975
11 classmates have joined