Skip to main content
6.4 avg / 10

William S. Hart Union High School District

School District · Santa Clarita, California

Students: 20,685
Teachers (FTE): 939

Avg Rating

6.4

out of 10

Schools

16

6 mid, 10 high

Per-Pupil Spending

$15,278

Student-Teacher Ratio

22:1

How this district compares

California rank

#308 of 713

districts by avg. composite

Vs. state average

+0.1

above California avg

Per-pupil spending

$15,278

$2,369 vs California median

District size

20,685 students

Much larger than California median

About William S. Hart Union High

William S. Hart Union High is a Santa Clarita, California school district serving 16 schools. The district educates 20,685 students with a student-teacher ratio of 22:1. The district invests $15,278 per student annually.

With an average rating of 6.4/10, William S. Hart Union High demonstrates solid academic performance.

The highest-rated school in the district is Valencia High, which has a composite score of 8.3/10.

In standardized testing, William S. Hart Union High students show an average math proficiency of 42.7% and ELA proficiency of 66.2%.

The district includes 6 middle schools , and 10 high schools.

District Map

Schools in William S. Hart Union High, colored by MySchoolScout rank. Click a pin for details.

District Average Test Scores

Math Proficiency 42.7%
School
State
N/A
ELA Proficiency 66.2%
School
State
N/A

Average proficiency across all schools in William S. Hart Union High with test data.

District Details

City
Santa Clarita
Total Enrollment
20,685
Teachers (FTE)
939
Child Poverty Rate
0.1%
Data Year
2023

Frequently Asked Questions

How many schools are in William S. Hart Union High?

William S. Hart Union High has 16 schools in total — 6 middle, and 10 high schools. You can explore each school's ratings and details on this page.

What is the average rating for William S. Hart Union High?

The average composite rating for William S. Hart Union High is 6.4/10. This score is calculated from the individual ratings of all schools with academic data in the district.

What is the per-pupil spending in William S. Hart Union High?

William S. Hart Union High spends $15,278 per student per year.

What is the student-teacher ratio in William S. Hart Union High?

The average student-teacher ratio in William S. Hart Union High is 22:1.

What is the top-rated school in William S. Hart Union High?

Valencia High is the highest-rated school in William S. Hart Union High with a composite score of 8.3/10.

What are the test scores in William S. Hart Union High?

Across schools in William S. Hart Union High with test data, the average math proficiency is 42.7% and the average ELA (reading/writing) proficiency is 66.2%. These figures represent the percentage of students meeting or exceeding grade-level standards.

How does William S. Hart Union High compare to other districts in California?

William S. Hart Union High has an average school rating of 6.4/10 across 16 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.

How does MySchoolScout rate schools?

MySchoolScout ratings are based on a comprehensive methodology that weighs Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Learn more about our rating system on our methodology page.

District Averages

Overall Rating
6.4/10
Math Proficiency
42.7%
ELA Proficiency
66.2%

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.