Register as an alumni from Seneca Valley High School (Harmony Pennsylvania) and reunite with 3,611 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Seneca Valley Past Reunions
Browse through past Seneca Valley High School events to reminisce as you view photos taken at our reunions:
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
Recently Joined Alumni
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
Martha Hack
Class of 1983
Class of 1983
Tiffany Woodward
Class of 1992
Class of 1992
Robert Robert W Stadtfeld
Class of 1975
Class of 1975
Rosemarie Boyd
Class of 1971
Class of 1971
Denise Ramsey
Class of 1986
Class of 1986
William Lawson
Class of 1974
Class of 1974
Alex Crifaci
Class of 2013
Class of 2013
Find Classmates Seneca Valley High School in Your Class
Seneca Valley High School Football Results - 2025 Season
| Date | Opponent | Result |
|---|---|---|
| 08/21 | Bethel Park (away) | 26-43 (loss) |
| 08/28 | North Hills (home) | 38-10 (win) |
| 09/04 | Pine‑Richland (away) | 20-49 (loss) |
| 09/11 | Norwin (home) | 13-56 (loss) |
| 09/18 | Moon (away) | 31-23 (win) |
| 09/25 | Mt. Lebanon (home) | 20-41 (loss) |
| 10/02 | Canon‑McMillan (away) | 29-33 (loss) |
| 10/09 | Hempfield Area (away) | 47-8 (win) |