For the 2025 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 34% (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 96%, which is more than the California average of 87%.
The school with highest graduation rate is Golden Valley 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
William S. Hart High School
(Math: 36% | Reading: 78%)
Rank:
Rank:
8/
Top 30%10
24825 North Newhall Ave.
Newhall, CA 91321
(661) 259-7575
Newhall, CA 91321
(661) 259-7575
Grades: 9-12
| 1,930 students
Rank: #22.
Learning Post Academy (Alternative)
Alternative School
(Math: 40-44% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%10
24825 North Newhall Ave.
Newhall, CA 91321
(661) 255-8338
Newhall, CA 91321
(661) 255-8338
Grades: 7-12
| 363 students
Rank: #33.
Golden Valley High School
(Math: 30% | 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
Grades: 9-12
| 1,993 students
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).
Recent Articles
What is Project-Based Learning?
Project-based learning has been highly touted by some educators as a viable option to traditional learning models. We’ll take a look at what project-based learning is and why it is getting so much attention today.
What is an Online High School
Find information about Online High Schools - what they are and how they work.
“Smart Snacks” Standards Coming to School Vending Machines Nationwide
We explore new federal regulations that will ban junk food from public schools. This means no more sweets and soda in cafeteria lines, vending machines and snacks sold in other locations around the schools.