Castaic · Los Angeles County

Schools in ZIP code 91384

Two districts run the ranked public schools in ZIP code 91384: Castaic Union (elementary and middle) and William S. Hart Union High (elementary, middle and high). The 4 public elementary schools in ZIP code 91384 run from the 19th to the 76th percentile among the 5,726 California elementary schools we score (spring 2026 tests).

Elementary · 4 schools · Castaic Union and William S. Hart Union High

from 19th to 76th · among 5,726 California elementary schools we score · spring 2026 tests

  • Northlake Hills Elementary: 76th percentile, Strong
  • Castaic Elementary: 73rd percentile, Solid
  • Live Oak Elementary: 53rd percentile, Solid
  • Santa Clarita Valley International: 19th percentile, Needs Support
1Needs Support
0Developing
2Solid
1Strong

One dot per school.

A ZIP code doesn’t decide which school a child attends. Confirm the school for your address with the district.

Middle and high school pictures

Middle · 2 schools · Castaic Union and William S. Hart Union High

from 51st to 78th · among 2,529 California middle schools we score · spring 2026 tests

  • Castaic Middle: 78th percentile, Strong
  • Santa Clarita Valley International: 51st percentile, Solid
0Needs Support
0Developing
1Solid
1Strong

High · 2 schools · William S. Hart Union High

from 52nd to 73rd · among 1,498 California high schools we score · spring 2025 tests

  • Castaic High: 73rd percentile, Solid
  • Santa Clarita Valley International: 52nd percentile, Solid
0Needs Support
0Developing
2Solid
0Strong

One dot per school. Each stage is placed only among California schools at its own level. 1 of the 6 ranked schools teaches all three levels, so it appears in more than one picture.

Schools around ZIP code 91384

6 listed public schools with mapped locations.

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Percentile among California schools at the same level

  • Strong75th+
  • Solid50–74th
  • Developing25–49th
  • Needs Supportbelow 25th
  • Not scored

The school lists on this page are also available without the map.

These are the same schools listed on the Castaic page.

Elementary schools

Which elementary schools in ZIP code 91384 score highest?

Northlake Hills Elementary is highest, at the 76th percentile.

That’s higher than 76 in 100 of the 5,726 California elementary schools we score (spring 2026 tests).

Highest in ZIP code 91384

Each percentile compares a school with California schools at its own level.

Show the other 1 elementary school
Context

The average elementary school in ZIP code 91384 had 14 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once.

Middle schools

Which middle schools in ZIP code 91384 score highest?

Castaic Middle is highest, at the 78th percentile.

That’s higher than 78 in 100 of the 2,529 California middle schools we score (spring 2026 tests).

Highest in ZIP code 91384

Each percentile compares a school with California schools at its own level.

High schools

Which high schools in ZIP code 91384 score highest?

Castaic High is highest, at the 73rd percentile.

That’s higher than 73 in 100 of the 1,498 California high schools we score (spring 2025 tests).

Highest in ZIP code 91384

Each percentile compares a school with California schools at its own level.

1 private school has an address in ZIP code 91384. It doesn’t take California’s state tests, so we don’t score it. See it in the private-school directory →

Which places nearby can you look at next?

Nearby ZIP codes

More places (8)

School districts

City

Before kindergarten

Common questions

Which public schools in ZIP code 91384 rank highest?

Elementary: Northlake Hills Elementary, 76th percentile (Strong). Middle: Castaic Middle, 78th percentile (Strong). High: Castaic High, 73rd percentile (Solid). Each percentile is among the California schools at the same level we score. A rank doesn’t decide fit or whether a child can enroll.

Does living in ZIP code 91384 decide which school my child attends?

No. ZIP codes are for mail; attendance boundaries decide the school for an address. Confirm the school for your address, grade and program with the district.
More questions (3)

Are the public schools in ZIP code 91384 good?

The 4 public elementary schools in ZIP code 91384 run from the 19th to the 76th percentile among the 5,726 California elementary schools we score (spring 2026 tests). By band: 1 Strong, 2 Solid and 1 Needs Support. The 2 public middle schools in ZIP code 91384 run from the 51st to the 78th percentile among the 2,529 California middle schools we score (spring 2026 tests). By band: 1 Strong and 1 Solid. The 2 public high schools in ZIP code 91384 run from the 52nd to the 73rd percentile among the 1,498 California high schools we score (spring 2025 tests). By band: 2 Solid. A percentile compares a school with California public schools at the same level that we score. How we score schools.

How does chronic absence in ZIP code 91384 compare with California?

The average elementary school in ZIP code 91384 had 14 in 100 students chronically absent (missed 10% or more of school days) in 2025–26; the average California elementary school we score had 17 in 100. Both are averages of school rates, each school counted once. These are averages of school rates: each school counts once, whatever its size.

Where do these results come from?

California’s state tests (CAASPP): spring 2026 for elementary and middle schools, spring 2025 for high schools, and chronic-absence rates for 2025–26, published by the California Department of Education. Percentiles, bands and Scope Scores are SchoolScope’s calculations. How we score schools.

Sources and methodology

This page lists the schools with a 91384 mailing address. Attendance zones follow school districts rather than postal boundaries.

Data source: California Department of Education · CAASPP 2025–26 elementary and middle school; 2024–25 high school

Percentiles, bands and Scope Scores are SchoolScope’s own calculations from these state files.

View CDE data ↗ (opens in a new tab)How Scope Scores work →

Download these schools (CSV)Free to use under CC BY 4.0 with attribution.