Los Osos
Los Osos Grizzlies
Rancho Cucamonga, CA

Los Osos High School

Video player poster
Feb 13, 2026 • 3.1k Views
02/12 Highlights vs Troy

School Sports

Boys

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Girls

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Pro Photos

Baseline League Finals
Baseline League Finals
5/5/26 | 65 Photos
Baseline League Finals
Baseline League Finals
5/5/26 | 101 Photos
CIF SS Division 3 Finals
CIF SS Division 3 Finals
5/9/26 | 280 Photos
CIF-SS Division 3 Preliminaries (500 Freestyle)
CIF-SS Division 3 Preliminaries (500 Freestyle)
5/6/26 | 74 Photos

Latest News

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  3. Carter
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  5. Claremont
  6. Colony
  7. Entrepreneur
  8. Etiwanda
  9. Fontana
  10. Jurupa Hills
  11. Jurupa Valley
  12. Kaiser
  13. Miller
  14. Montclair
  15. NLCHS
  16. Ontario
  17. Ontario Christian
  18. PIVHS
  19. Rancho Cucamonga
  20. Summit
  21. UCA
  22. Upland
  23. Western Christian

School Info

DirectionsWebsiteCall
School Type
Co-Ed/Public
Athletic Director
Dewayne Gatti
Mascot
Grizzlies
Colors
Los Osos High School Los Osos High School
6001 Milliken Ave
Rancho Cucamonga, CA 91737
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