Best Schools in Castaic, California
7 schools · 3 Elementary · 1 Middle · 2 High · 1 Other
Choosing a school in Castaic?
Use this page to compare every school in Castaic by level, neighborhood, and district — and find the right fit, not just the top of the list.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Northlake Hills Elementary
Elementary · Castaic Union. Ranked from real test data; compare it on the map and table below.
Castaic Middle
Middle · Castaic Union. Ranked from real test data; compare it on the map and table below.
Castaic High
High · William S. Hart Union High. Ranked from real test data; compare it on the map and table below.
The short answer
The top-rated schools in Castaic for 2026 are Northlake Hills Elementary (8.0/10), Castaic Middle (7.9/10), and Castaic High (7.6/10), based on MySchoolScout's analysis of real test data across 6 rated schools. Ratings blend student growth, poverty-adjusted academic achievement, and school environment (plus college readiness for high schools), with equity shown as context, not scored; schools with estimated (proxy) scores are excluded from this ranking.
Schools
7
6 public · 1 private
Avg Score
6.8
out of 10
Median Home
$693,600
home value · ACS
Districts
3
serving the city
Schools
7
6 public · 1 private
Avg Score
6.8
out of 10
Median Home
$693,600
home value · ACS
Districts
3
serving the city
STAAR proficiency rose +3.3 points from 2022 to 2024. That's the biggest jump among Castaic schools across the two most recent comparable testing years.
Top-Rated Schools in Castaic
Ranked by MySchoolScout composite using only schools with real test data (6 rated schools; 7 schools in the directory). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Northlake Hills Elementary | 8.0 / 10 |
| 2 | Castaic Middle | 7.9 / 10 |
| 3 | Castaic High | 7.6 / 10 |
| 4 | Castaic Elementary | 6.1 / 10 |
| 5 | Live Oak Elementary | 5.7 / 10 |
| 6 | Santa Clarita Valley International | 5.6 / 10 |
See every school — including those with estimated data — in the full directory below. How we rate schools.
Family Snapshot
At a glance- Avg school rating
- 6.8/10
- Median household income
- $129,603
- Median home value
- $693,600
- Bachelor's degree or higher
- 32%
- Avg commute
- 32 min
- Owner-occupied homes
- 84%
50% of schools rated 7+
Census ACS, ZIPs in this city
Owner-occupied units
Adults 25+
Workers age 16+
Of occupied housing units
How Castaic compares
California rank
#158 of 599
cities by avg. school score
Vs. state average
+0.5
above California avg (6.3)
Median household income
$130k
130% of California median
Schools in this city
6
Castaic Union runs 67% of Castaic's public schools
Castaic touches 3 districts, but Castaic Union is the one most addresses actually attend.
Castaic Union accounts for 4 of 6 public schools (67%). The other 2 districts hold the remaining 2.
Among 6 public schools with real test data, composite scores run from 5.6 to 8.0 — the spread is inside Castaic, not a citywide average.
- Castaic Union4 public · 67%
- Santa Clarita Valley International District1 public · 17%
- William S. Hart Union High1 public · 17%
About Schools in Castaic, California
Castaic, California is home to 7 schools, including 6 public schools and 1 private school. The city's schools span 3 elementary schools, 1 middle school, and 2 high schools.
With an average rating of 6.8 out of 10, schools in Castaic show moderate performance on the MySchoolScout composite scale. The composite blends student growth, poverty-adjusted academic achievement, and school environment — plus college readiness for high schools.
The highest-performing school in Castaic is Northlake Hills Elementary with a composite score of 8.0/10, demonstrating strong academic outcomes and school quality metrics.
Castaic is served by 3 school districts: Santa Clarita Valley International District, Castaic Union, William S. Hart Union High. These districts collectively serve 23,308 students.
Castaic's community shows 32% bachelor's degree attainment with a median household income of $129,603. The poverty rate in the area is 4.5%.
Browse the schools below to compare ratings, test scores, enrollment, and other key metrics. Use the filters to focus on specific school levels or types that match your family's needs.
Elementary Schools
3 schools| # | School | Rating |
|---|---|---|
| 1 | 579 students · Kindergarten–7th | 8.0 |
| 2 | 414 students · Kindergarten–6th | 6.1 |
| 3 | 506 students · Kindergarten–6th | 5.7 |
Middle Schools
1 school| # | School | Rating |
|---|---|---|
| 1 | 439 students · 7th–8th | 7.9 |
High Schools
2 schools| # | School | Rating | ||
|---|---|---|---|---|
| 1 | 1,193 students · 9th–12th | 7.6 | ||
Private Schools1 school Private and public school ratings use different data sources and scoring models. Scores are not directly comparable across school types. | ||||
| 1 | Cimarron AcademyPrivate 6 students · 3rd–12th | Not Rated | ||
Other Schools
1 school| # | School | Rating |
|---|---|---|
| 1 | 685 students · Kindergarten–12th | 5.6 |
Schools in Castaic
Castaic, California · 7 schools
Community Demographics
Census ACS 2022 5-Year Estimates across 1 ZIP code
Median Income
$129,603
Median Home Value
$693,600
Median Rent
$1,730/mo
Population
27,278
College Educated
32%
Homeownership
84%
Avg Commute
32 min
Poverty Rate
4.5%
Community Profile
Castaic has a median household income of $129,603. It is an area where 32% of adults hold a bachelor's degree or higher. The median home value in the area is $693,600, with a median rent of $1,730/month. The local poverty rate of 4.5% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Schools by Level
- State
- California
- Elementary
- 3
- Middle
- 1
- High
- 2
- Other
- 1
Resources
Other Major Cities in California
Top metros statewide by school count.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateFrequently Asked Questions
Common questions about schools in Castaic, California
How many schools are in Castaic, California?
Castaic has 7 schools, including 6 public and 1 private schools spanning elementary, middle, and high school levels.
What is the average school rating in Castaic, California?
The average MySchoolScout composite score for schools in Castaic is 6.8 out of 10, built from student growth, poverty-adjusted academic achievement, and school environment — plus college readiness for high schools.
What is the top-ranked school in Castaic, California?
The top-ranked school in Castaic on MySchoolScout is Northlake Hills Elementary with a composite score of 8.0/10.
What is the best elementary school in Castaic, California?
The top-ranked elementary school in Castaic on MySchoolScout is Northlake Hills Elementary with a composite score of 8.0/10.
What is the best middle school in Castaic, California?
The top-ranked middle school in Castaic on MySchoolScout is Castaic Middle with a composite score of 7.9/10.
What is the best high school in Castaic, California?
The top-ranked high school in Castaic on MySchoolScout is Castaic High with a composite score of 7.6/10.
How many school districts serve Castaic, California?
Castaic is served by 3 school districts: Santa Clarita Valley International District, Castaic Union, William S. Hart Union High.
What is the education level in Castaic, California?
According to Census data, 32% of adults in Castaic have earned a bachelor's degree or higher.
What is the median income in Castaic, California?
The median household income in Castaic is approximately $129,603 according to Census ACS 2022 estimates.
Are there private schools in Castaic, California?
Yes, Castaic has 1 private school alongside 6 public schools.
What is the student-teacher ratio in Castaic, California?
The average student-teacher ratio across schools in Castaic is 21.4:1. This ratio varies by school, so families should check individual school profiles for specific classroom sizes.
How does MySchoolScout rate schools in Castaic, California?
MySchoolScout rates schools using publicly available data from the NCES Common Core of Data and state education departments. Each school receives a 1-10 composite score built from Student Growth, Poverty-Adjusted Academic Achievement, and School Environment — plus College Readiness for high schools. Weights vary by school level, and equity data is shown for context but not scored.
Related reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Moving before 2027? The federal school choice tax credit follows the state, not youschool choice
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Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.