Register as an alumni from Seneca Valley High School (Harmony Pennsylvania) and reunite with 3,654 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Class Yearbooks
Football
Varsity Football Schedule 2026-27
08/27 vs Mars
09/02 vs North Hills
09/10 vs Penn Hills
09/17 vs Canon‑McMillan
09/24 vs Central Catholic
10/01 vs Hempfield Area
10/08 vs Mt. Lebanon
10/15 vs North Allegheny
10/22 vs Norwin
10/29 vs New Castle
09/02 vs North Hills
09/10 vs Penn Hills
09/17 vs Canon‑McMillan
09/24 vs Central Catholic
10/01 vs Hempfield Area
10/08 vs Mt. Lebanon
10/15 vs North Allegheny
10/22 vs Norwin
10/29 vs New Castle
Recently Joined Alumni
Jeffry Wahl
Class of 1976
Class of 1976
Mark Thomas
Class of 1976
Class of 1976
Judy Malinowski
Class of 1979
Class of 1979
Cheryl Malinowski
Class of 1976
Class of 1976
Carol Steeb
Class of 1981
Class of 1981
Dennis O'donoghue
Class of 1976
Class of 1976
Richard Thompson
Class of 1979
Class of 1979
Brian Hughes
Class of 1989
Class of 1989
Mark Hixon
Class of 1983
Class of 1983
Cindy Sanders
Class of 1972
Class of 1972
Curtis Montgomery
Class of 1973
Class of 1973
John Griffin
Class of 1978
Class of 1978
Seneca Valley Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
Seneca Valley Photos
Join in the fun and share any old Seneca Valley High School photos that you might have. Lets relive those memories!
Seneca Valley High School Obituaries
