Los Osos High is a public high school in Rancho Cucamonga, San Bernardino County, California. The campus is operated by Chaffey Joint Union High. Serving students in 9-12, the school enrolls approximately 2,759 students with 107.1 full-time equivalent teachers, maintaining a student-teacher ratio of 25.8:1 according to federal National Center for Education Statistics (NCES) records for the 2024-2025 school year.
School Information
NCES 2024-2025
Grades Offered
9-12
School Level
High School
School Type
Regular School
Locale Setting
Suburb: Large
Charter School
No
Operational Status
Open
NCES School ID
060816010605
State Identifier
CA-3667652-3631058
County FIPS
06071
Physical Location Address
6001 Milliken Ave.
Rancho Cucamonga, CA 91737-7709
Rancho Cucamonga, CA 91737-7709
School District
Parent District
Chaffey Joint Union High
Operating Schools
11 schools
District Type
Regular Public School District
Central Office
Ontario, CA
Location Map
34.145, -117.5559
Google Maps ›
Nearby Public Schools
Caryn Elementary
0.4 mi
Elementary • Alta Loma
Banyan Elementary
0.6 mi
Elementary • Alta Loma
Rancho Cucamonga High
1.1 mi
High • Rancho Cucamonga
Victoria Groves Elementary
1.2 mi
Elementary • Alta Loma
Carleton P. Lightfoot Elementary
1.2 mi
Elementary • Alta Loma