Los Osos Grizzlies
Rancho Cucamonga, CA

Los Osos High School

Video player poster
Sep 11, 2026 • 6.4k Views
09/10 Highlights vs South Hills

School Sports

Boys

icon placeholder iconBaseballicon placeholder iconBasketballicon placeholder iconCross Countryicon placeholder iconFootballicon placeholder iconGolficon placeholder iconSoccericon placeholder iconSwimmingicon placeholder iconTennisicon placeholder iconTrack & Fieldicon placeholder iconVolleyballicon placeholder iconWater Poloicon placeholder iconWrestling

Girls

icon placeholder iconBasketballicon placeholder iconCross Countryicon placeholder iconField Hockeyicon placeholder iconFlag Footballicon placeholder iconGolficon placeholder iconSoccericon placeholder iconSoftballicon placeholder iconSwimmingicon placeholder iconTennisicon placeholder iconTrack & Fieldicon placeholder iconVolleyballicon placeholder iconWater Poloicon placeholder iconWrestling

Pro Photos

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

Latest News

  1. Agape Christian
  2. Alta Loma
  3. Carter
  4. Chaffey
  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 Scores

  • icon placeholder iconJV. Girls Flag Football6-9
  • Rancho CucamongaRancho Cucamonga2-10-1
Mon, 10/12
3:00pm
  • icon placeholder iconJV. Girls Volleyball12-5
  • Rancho CucamongaRancho Cucamonga13-9-2
Mon, 10/12
3:15pm
  • icon placeholder iconF. Girls Volleyball4-2
  • Rancho CucamongaRancho Cucamonga7-5
Mon, 10/12
3:15pm
  • icon placeholder iconV. Girls Flag Football5-18
  • Rancho CucamongaRancho Cucamonga9-13
Mon, 10/12
4:15pm
  • icon placeholder iconV. Girls Volleyball21-5
  • Rancho CucamongaRancho Cucamonga13-14
Mon, 10/12
4:45pm
  • icon placeholder iconJV. Girls Flag Football6-9
  • UplandUpland5-7
Tue, 10/13
3:00pm
  • icon placeholder iconV. Girls Flag Football5-18
  • UplandUpland15-6
Tue, 10/13
4:15pm
  • icon placeholder iconF. Girls Volleyball4-2
  • UplandUpland5-4
Wed, 10/14
3:15pm
  • icon placeholder iconJV. Girls Volleyball12-5
  • UplandUpland8-11-1
Wed, 10/14
3:15pm
  • icon placeholder iconV. Girls Volleyball21-5
  • UplandUpland16-15
Wed, 10/14
4:45pm
  • icon placeholder iconV. Boys Water Polo14-10
  • DamienDamien18-9
Thu, 10/15
4:00pm
  • icon placeholder iconJV. Boys Water Polo4-0
  • DamienDamien2-5
Thu, 10/15
5:00pm
Los Osos High School Los Osos High School
6001 Milliken Ave
Rancho Cucamonga, CA 91737
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