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Castaic Union Schools

Schools graded

Cities served

Students

1,938

Students per teacher

25.2

Grades

K to 6

Area

152 sq mi

State

Castaic Union is a public school district in California, based in Los Angeles County (Valencia). SchoolGrade grades 4 of its schools on actual versus projected test scores; every school below has its own page.

Castaic Union on the map

Click a type to show or hide its schools.

District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.

District boundary from the NCES EDGE composite school district file; each dot is a graded school, tap or hover for its name.

Every school in Castaic Union

Middle and junior high schools (1)

Castaic Middle, Castaic

Elementary and primary schools (3)

Where Castaic Union schools are

Cities and towns served (1)

Castaic (4)

About this district

State: Best schools in California
County: Los Angeles County
Type: regular local school district
Setting: large suburb (NCES locale of the district office)
Enrollment: 1,938 students with 77 full-time-equivalent teachers and 195 total staff FTE (NCES CCD, 2023-24)
NCES district ID: 0607740
Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works

Nearby school districts

William S. Hart Union High (16 schools, 7 mi)
Saugus Union (15 schools, 10 mi)
Newhall (10 schools, 12 mi)
Fillmore Unified (8 schools, 15 mi)
Sulphur Springs Union (9 schools, 16 mi)
Simi Valley Unified (26 schools, 17 mi)
Moorpark Unified (10 schools, 20 mi)
Westside Union Elementary (12 schools, 20 mi)

Questions about Castaic Union

How many schools are in Castaic Union?

SchoolGrade grades 4 public schools in Castaic Union, across 1 city or town. Every one of them is listed on this page with a link to its own report.

Which cities does Castaic Union serve?

The largest by graded schools: Castaic.

How many students attend Castaic Union?

1,938 students were enrolled in Castaic Union in the 2023-24 school year, about 25.2 students per full-time teacher (NCES Common Core of Data).

Where is Castaic Union?

Castaic Union is in California, based in Los Angeles County, with its district office in Valencia. Its boundary covers about 152 sq mi.