Register as an alumni from Keystone High School (Knox Pennsylvania) and reunite with 1,561 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Class Yearbooks
Panthers Football
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
Recently Joined Panthers
Crystal Crystal Watkins
Class of 2002
Class of 2002
Christine Christine Dittman
Class of 1982
Class of 1982
Marcus Mitchell
Class of 2009
Class of 2009
Michael George
Class of 2007
Class of 2007
Scott Salser
Class of 1980
Class of 1980
Bob Mattern
Class of 1973
Class of 1973
Michael Jasko
Class of 1983
Class of 1983
Debra Zerbe
Class of 1971
Class of 1971
Chelsea Hulings
Class of 2007
Class of 2007
Kylee Cozad
Class of 2004
Class of 2004
Liz Ann
Class of 1992
Class of 1992
Michele Kayler
Class of 1998
Class of 1998
Keystone Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
Keystone Apparel
Check out our huge selection of Panthers spiritwear, including shirts, shorts, accessories and much more!
Panthers PRIDE
Keystone High School Apparel
Keystone High School Obituaries
