Los Osos Grizzlies
Rancho Cucamonga, CA
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Latest Videos
2:08
01/8 Highlights @ Chino Hills
Jan 9, 2026
0.3k Views
1:43
01/6 Highlights vs Etiwanda
Jan 7, 2026
0.2k Views
0:37
01/3 Highlights vs REV
Jan 3, 2026
0.7k Views
3:35
10/9 Highlights @ Colony
Oct 10, 2025
7.5k Views
0:27
Los Osos High School Vs Western Christian High Freshman Game 1 2024-25
Nov 20, 2024
1.9k Views
0:22
Keeping it simple
Sep 28, 2024
1.7k Views
0:08
Top spin serve
Sep 28, 2024
0.2k Views
0:08
Ace serve
Sep 28, 2024
0.1k Views
2:30
MaxPreps Top 5 High School Football Plays of Week 2 | 2024 Season
Sep 4, 2024
690.0k Views
1:08
Osos
Apr 14, 2024
0.7k Views
0:19
Thomas shirley
Oct 28, 2023
0.3k Views
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Latest News
School Info
- School Type
- Co-Ed/Public
- Athletic Director
- Dewayne Gatti
- Mascot
- Grizzlies
- Colors
Today's Streams & Tickets
2 Events
Los Osos Scores
F. Boys Basketball5-7
Claremont7-10
Today
3:30pm
- V. Girls Water Polo10-10
Upland12-5-1
Today
4:00pm
- JV. Boys Basketball8-6
- Claremont10-7
Today
4:45pm
- V. Girls Basketball15-4
Ontario Christian20-0
Today
6:00pm
- V. Boys Basketball11-11
- Claremont12-8
Today
6:30pm
- F. Boys Soccer0-0-2
Rancho Cucamonga8-1
Tue, 1/13
3:00pm
- F. Girls Soccer0-0
- Rancho Cucamonga8-0
Tue, 1/13
3:00pm
- F. Boys Basketball5-7
- Rancho Cucamonga15-6
Tue, 1/13
3:15pm
- V. Girls Water Polo10-10
St. Lucy's9-14
Tue, 1/13
4:00pm
- V. Girls Soccer1-8-4
- Rancho Cucamonga10-2-2
Tue, 1/13
6:00pm
- V. Boys Soccer10-2-5
- Rancho Cucamonga9-4
Tue, 1/13
6:00pm
- V. Girls Basketball15-4
- Rancho Cucamonga12-9
Tue, 1/13
6:30pm
Los Osos High School 
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