Register as an alumni from Mt. Diablo High School (Concord California) and reunite with 2,511 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Mt. Diablo Past Reunions
Browse through past Mt. Diablo High School events to reminisce as you view photos taken at our reunions:
Mt. Diablo Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
Mt. Diablo Apparel
Check out our huge selection of Red Devils spiritwear, including shirts, shorts, accessories and much more!
Red Devils PRIDE
Mt. Diablo High School Apparel
Mt. Diablo High School Obituaries
Recently Joined Red Devils
Andrea Boggs
Class of 1984
Class of 1984
Daniel Cross
Class of 1975
Class of 1975
Nancy Carr
Class of 1970
Class of 1970
Leslie Burdette
Class of 1973
Class of 1973
Rick Gissell
Class of 1973
Class of 1973
Lynne Woods
Class of 1979
Class of 1979
Bill Dealy
Class of 1969
Class of 1969
Karen Schwab
Class of 1977
Class of 1977
Sydney Hawk
Class of 2013
Class of 2013
Terry Treat
Class of 1961
Class of 1961
Randy Bennett
Class of 1981
Class of 1981
Janice Chambers
Class of 1964
Class of 1964
Find Classmates Mt. Diablo High School in Your Class
Mt. Diablo High School Football Results - 2025 Season
| Date | Opponent | Result |
|---|---|---|
| 08/28 | Terra Linda (home) | 52-6 (win) |
| 09/04 | Vallejo (home) | 44-12 (win) |
| 10/12 | Alhambra (away) | 47-49 (loss) |