Enrollment
215
California · 2024-25 NCES data
Middle school (grades 6-8) · Jamul, CA
Federal NCES profile for Oak Grove Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
The verdict
Oak Grove Middle earns 28/100 on the Resource Investment Index, with class sizes larger than 70% of California schools.
Oak Grove Middle has class sizes larger than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oak Grove Middle ranks #2 of 3 public schools in Jamul, CA.
NCES ID 061873002274 Verify on NCES CCD record →
Enrollment
215
California · 2024-25 NCES data
Teachers (FTE)
9.0
Federal CCD staff survey
Students per teacher
23.9:1
vs 21.5:1 California avg
+11% vs state
Free-lunch eligible
43.5%
vs 55.5% California avg
-22% vs state
How Oak Grove Middle compares with California and U.S. medians
Slightly above state median
23.9:1 - 2.4 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Oak Grove Middle is a mid-sized middle school in Jamul, California, enrolling 215 students.
Class loads run somewhat heavier than typical: 23.9:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 43.5% of students eligible for free meals.
Enrollment of 215 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 463 statewide peers matched on enrollment and economic need, it ranks mid-pack at #304.
Its student body is led by Hispanic or Latino (70%) and White (21%) (diversity index 46/100).
Chronic absenteeism is elevated: 36.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district, Jamul-Dulzura Union Elementary, also runs Jamul Elementary (386 students).
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
Oak Grove 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 | 23.9:1 | ▲ 11% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 43.5% | ▼ 22% | 55.5% | 51.7% |
| Enrollment | 215 | top 82% | - | - |
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 70.1% of enrollment.
Simpson diversity index - at 46.3, Oak Grove Middle is about as mixed as the California school average of 46.0.
District-wide per-pupil expenditure for Jamul-Dulzura Union Elementary, which includes Oak Grove 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 |
|---|---|---|---|
| Jamul Elementary | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Oak Grove 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 Oak Grove 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.
Oak Grove Middle has 215 students enrolled. It is a middle school in Jamul, CA.
The student-teacher ratio at Oak Grove Middle is 23.9:1, which is 11% higher than the California average of 21.5:1 and 52% higher than the national average of 15.7:1.
43.5% of students at Oak Grove Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Oak Grove Middle is Hispanic or Latino at 70.1% of enrollment, in Jamul, CA.
Oak Grove Middle has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Oak Grove Middle ranks #2 of 3 public schools in Jamul, 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 Jamul on the city page.
Oak Grove Middle earns 28/100 on the Resource Investment Index, with class sizes larger than 70% of California schools. 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 Oak Grove Middle, Jamul-Dulzura Union Elementary also operates Jamul Elementary (386 students). See the Jamul-Dulzura Union Elementary 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, “Oak Grove Middle, Jamul 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/oak-grove-middle-ca
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