Enrollment
451
California · 2024-25 NCES data
Middle school (grades 6-8) · Castaic, CA
Federal NCES profile for Castaic Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Castaic Middle earns 22/100 on the Resource Investment Index, with class sizes near the California median.
Castaic Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Castaic Middle ranks #6 of 6 public schools in Castaic, CA.
NCES ID 060774009121 Verify on NCES CCD record →
Enrollment
451
California · 2024-25 NCES data
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
22.6:1
vs 21.5:1 California avg
+5% vs state
Free-lunch eligible
36.0%
vs 55.5% California avg
-35% vs state
How Castaic Middle compares with California and U.S. medians
Slightly above state median
22.6:1 - 1.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Castaic Middle is a mid-sized middle school in Castaic, California, enrolling 451 students.
At 22.6:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 36.0% of students eligible for free meals.
With 451 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,256 similarly sized, similarly resourced-need California schools statewide, it ranks #983, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (48%) and White (35%) (diversity index 64/100).
Counselor access is stretched at roughly 451 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 89.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Castaic Union also operates Northlake Hills Elementary (556 students) and Live Oak Elementary (490 students) alongside Castaic Middle.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Castaic Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.6:1 | ▲ 5% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 36.0% | ▼ 35% | 55.5% | 51.7% |
| Enrollment | 451 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 48.0% of enrollment.
Simpson diversity index - at 63.7, Castaic Middle is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Castaic Union, which includes Castaic Middle.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Northlake Hills Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Live Oak Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Castaic Elementary | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Castaic Middle's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Castaic Middle's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Castaic Middle has 451 students enrolled. It is a middle school in Castaic, CA.
The student-teacher ratio at Castaic Middle is 22.6:1, which is 5% higher than the California average of 21.5:1 and 44% higher than the national average of 15.7:1.
36.0% of students at Castaic Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Castaic Middle is Hispanic or Latino at 48.0% of enrollment, in Castaic, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.7/100.
Castaic Middle has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Castaic Middle ranks #6 of 6 public schools in Castaic, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Castaic on the city page.
Castaic Middle earns 22/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Castaic Middle, Castaic Union also operates Northlake Hills Elementary (556 students), Live Oak Elementary (490 students), and Castaic Elementary (417 students). See the Castaic Union district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Castaic Middle, Castaic CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/castaic-middle-ca
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