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Castaic High

31575 Valley Creek Rd., Castaic, CA 91384

BSchola Grade
Directions CallWebsite
Grades
9–12
High
Students
1,159
Enrolled 2024–25
Students per teacher
23.6 : 1
Full-time teachers
District
William S. Hart Union High
Los Angeles County

Schola Grade B · Above average

Letter grade (A–F) · compared with 1,321 California high schools · How we grade
Test scores49% proficient in math & reading
72ndpercentile
Equity37% of low-income students proficient
65thpercentile
Attendance20% chronically absent
68thpercentile
Graduation rate95% graduate in 4 years
60thpercentile
College readinessAt least 43% take AP, IB or dual-enrollment courses
84thpercentile
Class size23.6 students per teacher
21stpercentile

Percentiles compare this school with other California high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Castaic High

Castaic High is a public high school in Castaic, California, serving grades 9–12. It is part of William S. Hart Union High. The school is located in a rural area near a town in Los Angeles County.

In the 2024–25 school year, 1,159 students were enrolled, with about 23.6 students for every full-time teacher. That ratio is larger than the typical California high school (18.5 students per teacher). Its Schola Grade is B (above average), compared with 1,321 California high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

31575 Valley Creek Rd.
Castaic, CA 91384
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,159 students
Students per teacher
23.6 to 1
AP courses offered
16
Charter school
No
Magnet school
No
Locale
Rural — Fringe
School district
William S. Hart Union High
County
Los Angeles County
NCES school ID
064251014393

Schools near Castaic High

All 7 schools in Castaic →
Valencia High
Public · Grades 9–12 · 2,286 students
A6.3 mi
Saugus High
Public · Grades 9–12 · 2,317 students
A8.5 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.