Los Osos
Los Osos Grizzlies
Rancho Cucamonga, CA

Los Osos High School

Video player poster
Feb 13, 2026 • 2.1k Views
02/12 Highlights vs Troy

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

Los Osos @ Notre Dame (SO) (5 Counties Tournament)
Los Osos @ Notre Dame (SO) (5 Counties Tournament)
1/19/26 | 112 Photos
Los Osos @ Ontario Christian
Los Osos @ Ontario Christian
1/12/26 | 152 Photos
LA Rams NFF Coastal Valley Senior All-Star Game
LA Rams NFF Coastal Valley Senior All-Star Game
12/23/25 | 87 Photos
Los Osos @ Glendora
Los Osos @ Glendora
11/8/25 | 197 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 iconV. Boys Volleyball14-9
  • EtiwandaEtiwanda8-11
Mon, 4/6
4:45pm
  • icon placeholder iconV. Boys Baseball3-8
  • Huntington BeachHuntington Beach9-2-1
Tue, 4/7
12:00pm
  • icon placeholder iconV. Girls Softball7-9
  • EtiwandaEtiwanda15-1
Tue, 4/7
3:15pm
  • icon placeholder iconV. Boys Volleyball14-9
  • UplandUpland4-13
Tue, 4/7
4:45pm
  • icon placeholder iconV. Boys Baseball3-8
  • icon placeholder iconTBA
Wed, 4/8
Los Osos High School Los Osos High School
6001 Milliken Ave
Rancho Cucamonga, CA 91737
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