Top Rankings
William S. Hart Union High School District ranks among the top 20% of public school district in California for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Graduation Rate
Highest graduation rate (Top 5%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 16 public schools serving 20,653 students in William S. Hart Union High School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in California.
Public Schools in William S. Hart Union High School District have an average math proficiency score of 42% (versus the California public school average of 33%), and reading proficiency score of 69% (versus the 47% statewide average).
Minority enrollment is 68% of the student body (majority Hispanic), which is less than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
16 Schools
10,369 Schools
# Students
20,653 Students
5,826,838 Students
# Teachers
941 Teachers
268,018 Teachers
Student : Teacher Ratio
22:1
22:1
Student By Grade
District Rank
William S. Hart Union High School District, which is ranked #307 of all 1,925 school districts in California (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 97% has increased from 94% over five school years.
Overall District Rank
#311 out of 1941 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
41%
33%
Reading/Language Arts Test Scores (% Proficient)
68%
47%
Science Test Scores (% Proficient)
44%
29%
Graduation Rate
97%
87%
Students by Ethnicity:
Diversity Score
0.68
0.63
% American Indian
n/a
1%
% Asian
14%
12%
% Hispanic
45%
56%
% Black
4%
5%
% White
32%
20%
% Hawaiian
n/a
n/a
% Two or more races
5%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,204 is higher than the state median of $19,974. The school district revenue/student has grown by 5% over four school years.
The school district's spending/student of $15,499 is less than the state median of $18,396. The school district spending/student has grown by 5% over four school years.
Total Revenue
$438 MM
$116,387 MM
Spending
$320 MM
$107,188 MM
Revenue / Student
$21,204
$19,974
Spending / Student
$15,499
$18,396
Best William S. Hart Union High School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Academy Of The Canyons
(Math: 70-74% | Reading: 90-94%)
Rank:
Rank:
10/
Top 5%10
26455 Rockwell Canyon Rd.
Valencia, CA 91355
(661) 362-3056
Valencia, CA 91355
(661) 362-3056
Grades: 9-12
| 390 students
Rank: #22.
Rancho Pico Junior High School
(Math: 62% | Reading: 81%)
Rank:
Rank:
10/
Top 10%10
26250 West Valencia Blvd.
Stevenson Ranch, CA 91381
(661) 284-3260
Stevenson Ranch, CA 91381
(661) 284-3260
Grades: 7-8
| 848 students
Rank: #33.
West Ranch High School
(Math: 56% | Reading: 85%)
Rank:
Rank:
10/
Top 10%10
26255 West Valencia Blvd.
Stevenson Ranch, CA 91381
(661) 222-1220
Stevenson Ranch, CA 91381
(661) 222-1220
Grades: 9-12
| 1,843 students
Rank: #44.
Rio Norte Junior High School
(Math: 52% | Reading: 76%)
Rank:
Rank:
9/
Top 20%10
28771 Rio Norte Dr.
Valencia, CA 91354
(661) 295-3700
Valencia, CA 91354
(661) 295-3700
Grades: 7-8
| 1,110 students
Rank: #55.
Valencia High School
(Math: 48% | Reading: 81%)
Rank:
Rank:
9/
Top 20%10
27801 North Dickason Dr.
Valencia, CA 91355
(661) 294-1188
Valencia, CA 91355
(661) 294-1188
Grades: 9-12
| 2,258 students
Rank: #66.
Saugus High School
(Math: 44% | Reading: 80%)
Rank:
Rank:
9/
Top 20%10
21900 Centurion Way
Santa Clarita, CA 91350
(661) 297-3900
Santa Clarita, CA 91350
(661) 297-3900
Grades: 9-12
| 2,295 students
Rank: #77.
Arroyo Seco Junior High School
(Math: 49% | Reading: 68%)
Rank:
Rank:
9/
Top 20%10
27171 North Vista Delgado Dr.
Valencia, CA 91354
(661) 296-0991
Valencia, CA 91354
(661) 296-0991
Grades: 7-8
| 1,240 students
Rank: #88.
Canyon High School
(Math: 37% | Reading: 78%)
Rank:
Rank:
9/
Top 20%10
19300 West Nadal St.
Canyon Country, CA 91351
(661) 252-6110
Canyon Country, CA 91351
(661) 252-6110
Grades: 9-12
| 1,966 students
Rank: #99.
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: #1010.
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: #1111.
Placerita Junior High School
(Math: 34% | Reading: 64%)
Rank:
Rank:
8/
Top 30%10
25015 North Newhall Ave.
Newhall, CA 91321
(661) 259-1551
Newhall, CA 91321
(661) 259-1551
Grades: 7-8
| 920 students
Rank: #1212.
Castaic High School
(Math: 24% | Reading: 74%)
Rank:
Rank:
7/
Top 50%10
31575 Valley Creek Rd.
Castaic, CA 91384
(661) 888-6288
Castaic, CA 91384
(661) 888-6288
Grades: 9-12
| 1,193 students
Rank: #1313.
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
Rank: #1414.
Sierra Vista Junior High School
(Math: 35% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
19425 West Stillmore St.
Canyon Country, CA 91351
(661) 252-3113
Canyon Country, CA 91351
(661) 252-3113
Grades: 7-8
| 974 students
Rank: #1515.
La Mesa Junior High School
(Math: 30% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
26623 May Way
Canyon Country, CA 91351
(661) 250-0022
Canyon Country, CA 91351
(661) 250-0022
Grades: 7-8
| 1,023 students
Rank: #1616.
Bowman (Jereann) High (continuation School)
Alternative School
(Math: 6% | Reading: 26%)
Rank:
Rank:
1/
Bottom 50%10
21508 Centre Pointe Pkwy.
Santa Clarita, CA 91350
(661) 253-4400
Santa Clarita, CA 91350
(661) 253-4400
Grades: 9-12
| 307 students
Frequently Asked Questions
How many schools belong to William S. Hart Union High School District?
William S. Hart Union High School District manages 16 public schools serving 20,653 students.
What is the rank of William S. Hart Union High School District?
William S. Hart Union High School District is ranked #307 out of 1,925 school districts in California (top 20%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of California school districts for: Highest overall rank (Top 20%), Highest reading/language arts proficiency (Top 20%), Highest graduation rate (Top 5%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in William S. Hart Union High School District?
45% of William S. Hart Union High School District students are Hispanic, 32% of students are White, 14% of students are Asian, 5% of students are Two or more races, and 4% of students are Black.
What is the student/teacher ratio of William S. Hart Union High School District?
William S. Hart Union High School District has a student/teacher ratio of 22:1, which is equal to the California state average of 22:1.
What is William S. Hart Union High School District's spending/student ratio?
The school district's spending/student of $15,499 is less than the state median of $18,396. The school district spending/student has grown by 5% over four school years.
Recent Articles
Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.
2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.
Will Single Sex Classrooms Save Public Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.
