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Los Osos
Los Osos Grizzlies
Rancho Cucamonga, CA

Los Osos High School

Video player poster
Feb 13, 2026 • 1.0k 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

Latest Videos

Video player poster
02/3 Highlights vs Upland
3:08
02/3 Highlights vs Upland
Feb 4, 2026
1.0k Views
01/29 Highlights vs RCHS
4:04
01/29 Highlights vs RCHS
Jan 30, 2026
1.1k Views

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. Girls Softball1-2
  • RamonaRamona3-2
Today
3:00pm
  • icon placeholder iconV. Boys Baseball1-2
  • Great OakGreat Oak0-2
Today
3:15pm
  • icon placeholder iconJV. Girls Softball1-1
  • UplandUpland1-2
Fri, 2/27
3:00pm
  • icon placeholder iconF. Boys Baseball0-3
  • Alta LomaAlta Loma1-0
Fri, 2/27
3:15pm
  • icon placeholder iconJV. Boys Baseball1-2
  • Alta LomaAlta Loma2-0
Fri, 2/27
3:15pm
  • icon placeholder iconV. Boys Baseball1-2
  • icon placeholder iconTBA
Sat, 2/28
  • icon placeholder iconV. Girls Softball1-2
  • KaiserKaiser1-2
Sat, 2/28
9:00am
  • icon placeholder iconJV. Girls Softball1-1
  • SultanaSultana0-0
Sat, 2/28
9:00am
  • icon placeholder iconF. Boys Baseball0-3
  • GlendoraGlendora0-0-1
Sat, 2/28
10:00am
  • icon placeholder iconJV. Girls Softball1-1
  • Apple ValleyApple Valley0-0
Sat, 2/28
11:00am
  • icon placeholder iconV. Girls Softball1-2
  • Rancho VerdeRancho Verde1-2
Sat, 2/28
1:00pm
  • icon placeholder iconJV. Boys Baseball1-2
  • GlendoraGlendora1-0
Sat, 2/28
1:00pm
Los Osos High School Los Osos High School
6001 Milliken Ave
Rancho Cucamonga, CA 91737
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