For the 2026 school year, there are 2 public high schools serving 1,707 students in Castaic, CA.
The top-ranked public high schools in Castaic, CA are Castaic High School and Santa Clarita Valley International. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Castaic, CA public high schools have an average math proficiency score of 28% (versus the California public high school average of 28%), and reading proficiency score of 58% (versus the 51% statewide average). High schools in Castaic have an average ranking of 7/10, which is in the top 50% of California public high schools.
Castaic, CA public high school have a Graduation Rate of 94%, which is more than the California average of 86%.
The school with highest graduation rate is Castaic 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 65% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Best Public High Schools in Castaic, CA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Castaic High School
(Math: 32% | Reading: 74%)
Rank:
Rank:
8/
Top 30%10
31575 Valley Creek Rd.
Castaic, CA 91384
(661) 888-6288
Castaic, CA 91384
(661) 888-6288
Gr: 9-12 | 1,159 students Student-teacher ratio: 24:1 Minority enrollment: 65%
Rank: #22.
Santa Clarita Valley International
Charter School
(Math: 24% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
28060 Hasley Canyon Rd. Ste. 2
Castaic, CA 91384
(661) 705-4820
Castaic, CA 91384
(661) 705-4820
Gr: K-12 | 548 students Student-teacher ratio: 23:1 Minority enrollment: 64%
Frequently Asked Questions
What are the top-ranked public high schools in Castaic, CA?
The top-ranked public high schools in Castaic, CA include Castaic High School and Santa Clarita Valley International.
How many public high schools are located in Castaic?
2 public high schools are located in Castaic.
What is the racial composition of students in Castaic?
Castaic public high schools minority enrollment is 65% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
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