For the 2025-26 school year, there are 2 public high schools serving 1,878 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 63% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Best ºÚÁÏÍø¹ÙÍø High Schools in Castaic, CA (2025-26)
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 | 1,193 student Student-teacher ratio: 21:1 Minority enrollment: 62%
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 | 685 students Student-teacher ratio: 21:1 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 63% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
Recent Articles
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in ºÚÁÏÍø¹ÙÍø Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here’s what parents and educators need to know.