ExploreMapCompareBlogSign in

Schools in 91384 — Castaic, California: 91384 schools average 4.8 points above the state — but the range is 13.1 points wide.

91384 has 5 ranked schools in Castaic, averaging a Scope Score of 49.6/100 — 4.8 points above the state average of 44.8 (CDE CAASPP 2025). Scores range from 43.5 to 56.6, a 13.1-point spread.

Avg Scope Score
49.6
State avg: 44.8
SchoolScope composite
Score Range
13.1
43.5 – 56.6
Avg Exceeded %
24.3%
State avg: 21.3%
Chronic Absenteeism
15.3%
State avg: 17.9%
Schools Ranked
5
With Scope Scores

How 91384 schools perform

The top-ranked school is Castaic High with a Scope Score of 57 and 31.1% of students exceeding standard.

These schools are pushing students past the bar, not just to it. Schools here average 24.3% exceeding standard — well above the statewide average of 21.3%.

Average proficiency falls 5.8 percentage points from grade 3 to grade 5 across 91384. This pattern in test scores may reflect a variety of factors and is worth examining school by school.

Chronic absenteeism across 91384 averages 15.3%, below the state average of 17.9%. CDE CAASPP 2025.

How 91384 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 91384
91384Castaic5Developing
49.6/100
91381Stevenson Ranch4Strong
77.5/100
+27.9
91387Canyon Country5Developing
43.9/100
-5.7
91377Oak Park6Strong
70.9/100
+21.3

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 91384

2 Culture First3 Building Momentum

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 91384

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Castaic High
William S. Hart Union High Building Momentum
31.1%Solid
57/100
2Northlake Hills Elementary
Castaic Union Culture First
31.4%Solid
55/100
3Santa Clarita Valley International
William S. Hart Union High Building Momentum
15.1%Developing
47/100
4Castaic Elementary
Castaic Union Culture First
25.9%Developing
46/100
5Live Oak Elementary
Castaic Union Building Momentum
17.7%Developing
44/100
Source: CDE CAASPP 2025 · 5 schools in 91384Methodology · Explore all schools

Schools in 91384 on the map

Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

What Scope Scores can't tell you about 91384

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 91384 (Castaic) good?
91384 has 5 ranked schools in Castaic, averaging a Scope Score of 49.6/100 — 4.8 points above the state average. 24.3% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 91384?
The highest-scoring school in zip code 91384 is Castaic High with a Scope Score of 57/100 and 31.1% of students exceeding the state standard. See full methodology.
How do 91384 schools compare to the state average?
Schools in zip code 91384 average a Scope Score of 49.6/100 — 4.8 points above the state average of 44.8. The exceeded rate averages 24.3% vs. 21.3% statewide.
How many schools are in zip code 91384?
Zip code 91384 has 5 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on seven dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, ELPAC English Learner proficiency, and baseline proficiency. Full methodology and weights.