For the 2026 school year, there are 4 public high schools serving 11,812 students in Rancho Cucamonga, CA.
The top-ranked public high schools in Rancho Cucamonga, CA are Los Osos High School, Etiwanda High School and Alta Loma High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Rancho Cucamonga, CA public high schools have an average math proficiency score of 44% (versus the California public high school average of 28%), and reading proficiency score of 76% (versus the 51% statewide average). High schools in Rancho Cucamonga have an average ranking of 9/10, which is in the top 20% of California public high schools.
Rancho Cucamonga, CA public high school 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 80% of the student body (majority Hispanic), which is more than the California public high school average of 79% (majority Hispanic).
Best Public High Schools in Rancho Cucamonga, CA (2026)
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%
Rank: #22.
Etiwanda High School
(Math: 43% | Reading: 75%)
Rank:
Rank:
9/
Top 20%10
13500 Victoria St.
Rancho Cucamonga, CA 91739
(909) 899-2531
Rancho Cucamonga, CA 91739
(909) 899-2531
Gr: 9-12 | 3,446 students Student-teacher ratio: 25:1 Minority enrollment: 85%
Rank: #33.
Alta Loma High School
(Math: 42% | Reading: 75%)
Rank:
Rank:
9/
Top 20%10
8880 Baseline Rd.
Rancho Cucamonga, CA 91701
(909) 989-5511
Rancho Cucamonga, CA 91701
(909) 989-5511
Gr: 9-12 | 2,386 students Student-teacher ratio: 25:1 Minority enrollment: 77%
Rank: #44.
Rancho Cucamonga High School
(Math: 41% | Reading: 74%)
Rank:
Rank:
9/
Top 20%10
11801 Lark Dr.
Rancho Cucamonga, CA 91701
(909) 989-1600
Rancho Cucamonga, CA 91701
(909) 989-1600
Gr: 9-12 | 3,221 students Student-teacher ratio: 25:1 Minority enrollment: 80%
Frequently Asked Questions
What are the top-ranked public high schools in Rancho Cucamonga, CA?
The top-ranked public high schools in Rancho Cucamonga, CA include Los Osos High School, Etiwanda High School and Alta Loma High School.
How many public high schools are located in Rancho Cucamonga?
4 public high schools are located in Rancho Cucamonga.
What is the racial composition of students in Rancho Cucamonga?
Rancho Cucamonga public high schools minority enrollment is 80% of the student body (majority Hispanic), which is more than the California public high schools average of 79% (majority Hispanic).
Which public high schools in Rancho Cucamonga are often viewed compared to one another?
Popular comparisons of public high schools in Rancho Cucamonga include: Rancho Cucamonga High School vs. Los Osos High School, Los Osos High School vs. Rancho Cucamonga High School, Alta Loma High School vs. Los Osos High School
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