Los Osos High

9/10 High School Chaffey Joint Union High School DistrictHunters Ridge, Fontana

Los Osos High is a high school located in Hunters Ridge, Fontana, CA. It is part of Chaffey Joint Union High School District, serving grades 9–12, with a district rating of 7/10.

This school is a part of Chaffey Joint Union High School District

Chaffey Joint Union High School District is a solid and stable high-performing organization, currently ranked as the premier district in San Bernardino County. With a portfolio of high schools that largely range from 6/10 to 9/10, the district demonstrates consistent academic success, particularly in English Language Arts and college readiness. While math proficiency remains a strategic area for growth and anecdotal reports suggest minor social-environment concerns on campus, the district's proactive leadership, diverse extracurricular offerings, and strong financial footing—highlighted by recent facility upgrades and successful community engagement initiatives—solidify its status as a top-tier educational provider.

Grades 9–12

Enrollment & Staffing at Los Osos High

Members only
Students enrolled
Full-time teachers
Student / teacher ratio
vs. CA average

Student Demographics at Los Osos High

Members only

Ethnicity breakdown

Hispanic or Latino
White (non-Hispanic)
Black or African American
Asian
Pacific Islander
Two or more races
Other

Gender

Male
Female

Academic Benchmarks & Rankings

Members only
iHuus school rating
iHuus composite school quality score
9/10
vs. CA average
Rating compared to all CA schools
Rank in Chaffey Joint Union High School District
Position among schools in this district
Rank in Fontana
Position among all schools in the city

Other Schools in Chaffey Joint Union High School District

9/ 10
Chaffey District Online High
High
9/ 10
Etiwanda High
High
8/ 10
Rancho Cucamonga High
High
8/ 10
Alta Loma High
High
7/ 10
Montclair High
High
6/ 10
Chaffey High
High
6/ 10
Ontario High
High
6/ 10
Colony High
High
2/ 10
Valley View High (Continuation)
High
1/ 10
Chaffey Community Day
High

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