Register as an alumni from Sierra High School (Manteca California) and reunite with 1,244 classmates and old friends. Share your memories by posting photos or stories, or find out about your next class reunion!
Class Yearbooks
Timberwolves Football
Varsity Football Schedule 2026-27
08/27 vs Enochs
09/03 vs Lathrop
09/10 vs Modesto
09/16 vs Gregori
09/24 vs Oakdale
10/08 vs Mountain House
10/15 vs Manteca
10/22 vs Central Catholic
11/05 vs Patterson
09/03 vs Lathrop
09/10 vs Modesto
09/16 vs Gregori
09/24 vs Oakdale
10/08 vs Mountain House
10/15 vs Manteca
10/22 vs Central Catholic
11/05 vs Patterson
Recently Joined Timberwolves
Brittney Goldade
Class of 2008
Class of 2008
Joshua Abrew
Class of 2001
Class of 2001
Daniel Tostado
Class of 2008
Class of 2008
Justin Galiza
Class of 2002
Class of 2002
Kristin Willis
Class of 1999
Class of 1999
Holly Baker
Class of 2008
Class of 2008
Christopher Choate
Class of 2009
Class of 2009
Hayley Cabrales
Class of 2008
Class of 2008
Daniel Tostado
Class of 2008
Class of 2008
Ryan Curry
Class of 2008
Class of 2008
Patricia Harsha
Class of 2001
Class of 2001
Jaimie Epstein
Class of 2001
Class of 2001
Sierra Yearbooks
Flip through class yearbooks or browse photo albums from classmates, and see what they look like now:
Sierra Apparel
Check out our huge selection of Timberwolves spiritwear, including shirts, shorts, accessories and much more!
Timberwolves PRIDE
Sierra High School Apparel