Enrollment
680
California · 2024-25 NCES data
Middle school (grades 6-8) · San Diego, CA
Federal NCES profile for Mann Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
The verdict
Mann Middle earns 32/100 on the Resource Investment Index, with class sizes smaller than 74% of California schools. It is also more racially and ethnically mixed than most California schools.
Mann Middle has class sizes smaller than 74% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mann Middle ranks #11 of 37 middle schools in San Diego, CA.
NCES ID 063432005510 Verify on NCES CCD record →
Enrollment
680
California · 2024-25 NCES data
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
18.9:1
vs 21.5:1 California avg
-12% vs state
Free-lunch eligible
84.2%
vs 55.5% California avg
+52% vs state
How Mann Middle compares with California and U.S. medians
Smaller classes than state median
18.9:1 - 2.6 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Mann Middle is a high-poverty, mid-sized middle school in San Diego, California, enrolling 680 students.
Class sizes run a bit leaner than typical: 18.9:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need is high: 84.2% of students qualify for free meals, 52% above the California average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 680 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,708 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #365.
Its student body is led by Hispanic or Latino (49%) and African American (24%), more mixed than most schools in the state (diversity index 67/100).
Counselor availability sits well past the ASCA benchmark, roughly 340 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 56.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 8 expulsions at this campus for 2021-22.
Among San Diego's middle schools, it stands alongside Oak Valley Middle (1,503 students): Mann Middle is smaller than that campus by headcount and runs leaner classes (18.9:1 vs 24.6:1).
San Diego Unified also operates Henry High (2,485 students) and Mira Mesa High (2,187 students) alongside Mann 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
Mann 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 | 18.9:1 | ▼ 12% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 84.2% | ▲ 52% | 55.5% | 51.7% |
| Enrollment | 680 | top 25% | - | - |
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 48.8% of enrollment.
Simpson diversity index - at 66.7, Mann Middle is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for San Diego Unified, which includes Mann 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 |
|---|---|---|---|
| Henry High | Larger | Lower economic need | Higher S:T ratio |
| Mira Mesa High | Larger | Lower economic need | Higher S:T ratio |
| Hoover High | Larger | Similar economic need | Higher S:T ratio |
| Scripps Ranch High | Larger | Lower economic need | Higher S:T ratio |
| Point Loma High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mann Middle's own figures; each column derives from NCES Common Core of Data.
6 comparable middle schools (grades 6-8) serving the same city.
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 Mann 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.
Mann Middle has 680 students enrolled. It is a middle school in San Diego, CA.
The student-teacher ratio at Mann Middle is 18.9:1, which is 12% lower than the California average of 21.5:1 and 20% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
84.2% of students at Mann Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mann Middle is Hispanic or Latino at 48.8% of enrollment, in San Diego, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.7/100.
Mann Middle has a Resource Investment Index of 32/100 (typical 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, Mann Middle ranks #11 of 37 middle schools in San Diego, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in San Diego on the city page.
Mann Middle earns 32/100 on the Resource Investment Index, with class sizes smaller than 74% of California schools. It is also more racially and ethnically mixed than most 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 Mann Middle, San Diego Unified also operates Henry High (2,485 students), Mira Mesa High (2,187 students), and Hoover High (2,011 students). See the San Diego Unified 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, “Mann Middle, San Diego 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/mann-middle-ca
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