Keystone High School - Class of 1991 Alumni, Knox PA
Join thousands of alumni from Keystone High School and the Class of 1991. 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 1991 Reunions
Browse past reunion events and photos for your class here.Past Class of 1991 Reunions
Browse past reunion events and photos for your class here.Class Yearbook
View past yearbooks
Recently joined '91 Classmates
Tammy Hartzell
Class of 1991
Loretta Curtis
Class of 1991
Connect with Class of 1991 Classmates
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