SA
High SchoolsGrades 9-12

Castaic High

William S. Hart Union High · Los Angeles County · 31575 Valley Creek Road, Castaic, CA 91384

(661) 888-6288 · www.castaichighschool.org

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9/10
#209
Rank 209 out of 1,227
Top 17%
English Language Arts9/10 · #170 · 86th percentile
Mathematics8/10 · #326 · 74th percentile
Science9/10 · #139 · 89th percentile

English Language Arts

Math Trend

Science Trend

School Overview

Castaic High sits in the northern reaches of the Santa Clarita Valley, where the suburban sprawl gives way to open hills and a quieter pace than you'd find closer to Los Angeles proper. The school puts up strong numbers across the board — particularly in English and Science — making it a solid fit for families who want rigorous academics without the intense pressure-cooker atmosphere of some of the more competitive valley schools. If you're drawn to the Castaic area for its newer housing, outdoor access near Castaic Lake, and a tight-knit community feel, this school largely delivers on the academic side of that package as well.

Student Demographics

265 students tested · 2024-25 school year

Ethnicity

Hispanic
130 (49%)
White
88 (33%)
Asian
14 (5%)
Filipino
12 (5%)
Multiple Races
11 (4%)
African American
9 (3%)
Other
1 (0%)

Key Indicators

English Learners24 (9%)
Socioeconomically Disadvantaged76 (29%)
Students with Disabilities49 (18%)

Staff & Teachers(2024-25)

1,159
Enrollment
48.9
Teachers (FTE)
23.7:1
Student-Staff Ratio
5
Administrators (FTE)
22.8
Avg Class Size*(2023-24)

Graduation Rate

95.5%of students graduate within 4 years

Graduation Rate Trend

College Readiness

Advanced Placement (AP) and International Baccalaureate (IB) programs offer college-level coursework and are a key indicator of academic rigor.

7
AP Courses
offered
22.4%
AP Participation
of students
271
AP Enrollment
students

Source: Civil Rights Data Collection (CRDC) 2021-22

Athletics

Coyotes · CIF Southern Section

25
varsity sports
11 boys
10 girls
BaseballBasketball (Boys)Basketball (Girls)Cross Country (Boys)Cross Country (Girls)Fall Volleyball (Boys)Flag Football (Girls)Football (11 person)

Source: CIF Home Campus 2025-26

Community Enrichment Programs

This supplementary score measures the availability of enrichment programs — such as tutoring, music, dance, sports, and arts — within 3 miles of the school. Schools in communities with more diverse and accessible programs score higher.

Nearby Programs2/10 · #1982 · 10th percentile

13 programs within 3 miles. Ranked among High Schools in California.

Nearby Libraries

No programs found