For the 2026 school year, there are 3 public high schools serving 4,286 students in 91321, CA.
The top-ranked public high schools in 91321, CA are William S. Hart High School, Learning Post Academy (Alternative) and Golden Valley High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 91321 have an average math proficiency score of 32% (versus the California public high school average of 28%), and reading proficiency score of 69% (versus the 51% statewide average). High schools in 91321, CA have an average ranking of 8/10, which is in the top 30% of California public high schools.
Public high school in zipcode 91321 have a Graduation Rate of 95%, which is more than the California average of 86%.
The school with highest graduation rate is William S. Hart High School, with 96% graduation rate. Read more about public school graduation rate statistics in California or national school graduation rate statistics.
Minority enrollment is 77% of the student body (majority Hispanic), which is less than the California public high school average of 79% (majority Hispanic).
Best 91321, CA Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
William S. Hart High School
(Math: 35% | Reading: 78%)
Rank:
Rank:
8/
Top 30%10
24825 North Newhall Ave.
Newhall, CA 91321
(661) 259-7575
Newhall, CA 91321
(661) 259-7575
Gr: 9-12 | 1,930 student Student-teacher ratio: 22:1 Minority enrollment: 72%
Rank: #22.
Learning Post Academy (Alternative)
Alternative School
(Math: 25-29% | Reading: 65-69%)
Rank:
Rank:
7/
Top 50%10
24825 North Newhall Ave.
Newhall, CA 91321
(661) 255-8338
Newhall, CA 91321
(661) 255-8338
Gr: 7-12 | 363 students Student-teacher ratio: 20:1 Minority enrollment: 53%
Rank: #33.
Golden Valley High School
(Math: 31% | Reading: 60%)
Rank:
Rank:
7/
Top 50%10
27051 Robert C. Lee Pkwy.
Newhall, CA 91321
(661) 298-8140
Newhall, CA 91321
(661) 298-8140
Gr: 9-12 | 1,993 student Student-teacher ratio: 22:1 Minority enrollment: 85%
Frequently Asked Questions
What are the top-ranked public high schools in 91321, CA?
The top-ranked public high schools in 91321, CA include William S. Hart High School, Learning Post Academy (Alternative) and Golden Valley High School.
How many public high schools are located in 91321?
3 public high schools are located in 91321.
What is the racial composition of students in 91321?
91321 public high schools minority enrollment is 77% of the student body (majority Hispanic), which is less than the California public high schools average of 79% (majority Hispanic).
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