Castaic High
Castaic, CA · William S. Hart Union High · Grades 8-12
327th of 1,528 California high schools statewide · better than 79%· Stable
Castaic High ranking
SchoolRow ranks Castaic High 327th of 1,528 California high schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 79% of high schools statewide. Its statewide percentile went from 75th in 2022 to 79th in 2025.
Castaic High test scores
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 273 students tested
Castaic High students
Racial and ethnic breakdown of 1,193 students (2023–24, NCES) — and how it has shifted since 2019
| Group | Trend | 2019 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 44.4% | 44.4% | 0.0 pts | |
| White | 39.6% | 37.6% | ▼ 2.0 pts | |
| Asian | 6.4% | 7.9% | ▲ 1.5 pts | |
| Black | 4.8% | 4.7% | ▼ 0.1 pts | |
| Two or more races | 4.2% | 4.7% | ▲ 0.5 pts |
Homes near Castaic High
Typical home value $802K in zip 91384 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
High schools near Castaic High
Closest same-level schools, with 2024–25 state rank
- 10Valencia HighWilliam S. Hart Union High · 6.7 mi away115th of 1,528
ELA 84% · Math 54% - 4Opportunities for Learning - William S. HartWilliam S. Hart Union High · 6.8 mi away · charter1,052nd of 1,528
ELA 41% · Math 14% - 10West Ranch HighWilliam S. Hart Union High · 7.3 mi away77th of 1,528
ELA 85% · Math 61% - 10Academy of the CanyonsWilliam S. Hart Union High · 8 mi away12th of 1,528
ELA 97% · Math 78% - 3Mission View PublicWilliam S. Hart Union High · 8.2 mi away · charter1,188th of 1,528
ELA 36% · Math 5% - 9Saugus HighWilliam S. Hart Union High · 8.9 mi away159th of 1,528
ELA 82% · Math 49% - 2Bowman (Jereann) High (Continuation)William S. Hart Union High · 10 mi away1,302nd of 1,528
ELA 20% · Math 2% - –Hart ROPHart ROP · 10 mi away
Frequently asked questions
What school district is Castaic High in?
Castaic High is part of the William S. Hart Union High district in Castaic, California.
Is Castaic High a good school?
SchoolRow ranks Castaic High 327th of 1,528 California high schools (better than 79% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Castaic High?
Hispanic 44%, White 38%, Asian 8%, Black 5% (1,193 students, 2023–24).
How much do homes near Castaic High cost?
The typical home value in zip code 91384 is $802K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.