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

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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