For the 2026-27 school year, there is 1 public high school serving 2,759 students in 91737, CA.
The top-ranked public high school in 91737, CA is Los Osos High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high school in zipcode 91737 have an average math proficiency score of 51% (versus the California public high school average of 28%), and reading proficiency score of 81% (versus the 51% statewide average). High schools in 91737, CA have an average ranking of 10/10, which is in the top 10% of California public high schools.
Public high school in zipcode 91737 have a Graduation Rate of 95%, which is more than the California average of 86%.
The school with highest graduation rate is Los Osos High School, with 95% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 76% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Best 91737, CA Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Los Osos High School
(Math: 51% | Reading: 81%)
Rank:
Rank:
9/
Top 20%10
6001 Milliken Ave.
Rancho Cucamonga, CA 91737
(909) 477-6900
Rancho Cucamonga, CA 91737
(909) 477-6900
Gr: 9-12 | 2,759 students Student-teacher ratio: 26:1 Minority enrollment: 75%
Frequently Asked Questions
What are the top-ranked public high schools in 91737, CA?
The top-ranked public high schools in 91737, CA include Los Osos High School.
How many public high schools are located in 91737?
1 public high schools are located in 91737.
What is the racial composition of students in 91737?
91737 public high schools minority enrollment is 76% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
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