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Castaic High School

Castaic High School is a public high school in Castaic, CA, serving grades 9–12, rated A, with 1,159 students and a 23.6:1 student-teacher ratio.

In 2024-2025, the share of students meeting the state standard was 75% in English Language Arts, 54% in Science and 35% in Math.

ATopHap school rating
Rating
A
Grades
9–12
Enrollment
1,159
Students per teacher
23.6:1
Level
High
Type
Public · Regular

2024-2025 testing year

State test results

Share of students meeting or exceeding the state standard.

English Language Arts75%
Science54%
Math35%

Student body

Hispanic48%
White35%
Asian8%
Black5%
Two or more races4%
Pacific Islander0%
Native American0%
Male / female
55% / 45%
Free or reduced lunch
22%
Enrollment change vs prior year
+270.3%
Prior-year enrollment
313

School details

Address
31575 Valley Creek Rd, Castaic, CA 91384
Phone
(661) 888-6288
Website
hartdistrict.org
Setting
Rural - Fringe
Status
Operational
NCES ID
064251014393
Visit the school website

School district

William S. Hart Union High School District (9-12)

District rating
A-
Schools
16
Students
20,493
Spending per student
$14,690
Teachers (FTE)
886
Grades
K–12
See every school in William S. Hart Union High School District (9-12)

Other schools in this district

Common questions

About Castaic High School

How is Castaic High School rated?

Castaic High School holds a A rating on TopHap's A-to-D scale, which blends state test results, academic progress and student outcomes. William S. Hart Union High School District (9-12) is rated A- overall.

How do students at Castaic High School perform on state tests?

In the 2024-2025 testing year, the share of Castaic High School students meeting or exceeding the state standard was 75% in English Language Arts, 54% in Science and 35% in Math.

What grades does Castaic High School serve?

Castaic High School serves grades 9–12 as a high school.

How many students attend Castaic High School?

1,159 students attend Castaic High School, up from 313 the prior year, with a student-teacher ratio of 23.6:1.

Which school district is Castaic High School in?

Castaic High School is part of William S. Hart Union High School District (9-12), which reports 16 schools, 20,493 students and $14,690 of spending per student.