Enrollment
200
California · 2024-25 NCES data
Elementary school (grades K-5) · Oakland, CA
Federal NCES profile for Horace Mann Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
The verdict
Horace Mann Elementary earns 10/100 on the Resource Investment Index, with class sizes larger than 98% of California schools.
Horace Mann Elementary has class sizes larger than 98% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Horace Mann Elementary ranks #59 of 67 elementary schools in Oakland, CA.
NCES ID 062805004277 Verify on NCES CCD record →
Enrollment
200
California · 2024-25 NCES data
Teachers (FTE)
6.0
Federal CCD staff survey
Students per teacher
33.3:1
vs 21.5:1 California avg
+55% vs state
Free-lunch eligible
95.8%
vs 55.5% California avg
+73% vs state
How Horace Mann Elementary compares with California and U.S. medians
Larger classes than state median
33.3:1 - 11.8 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Horace Mann Elementary is a high-poverty, mid-sized elementary school in Oakland, California, enrolling 200 students.
Class loads run heavy: 33.3:1 is larger than about 98% of California schools and 55% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 95.8% of students qualify for free meals, 73% above the California average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 200 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index trails 98% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 249 similarly sized, similarly resourced-need California schools statewide, it ranks #241, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (56%) and African American (18%) (diversity index 63/100).
Chronic absenteeism is elevated: 63.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Oakland Unified spends $20,552 per pupil, 24% above the California average, a better-resourced district than most.
Among Oakland's elementary schools, it stands alongside Yu Ming Charter (959 students): Horace Mann Elementary is smaller than that campus by headcount and runs heavier classes (33.3:1 vs 24:1).
Oakland Unified also operates Oakland Technical High (1,812 students) and Oakland High (1,579 students) alongside Horace Mann Elementary.
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
Horace Mann Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 33.3:1 | ▲ 55% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 95.8% | ▲ 73% | 55.5% | 51.7% |
| Enrollment | 200 | top 83% | - | - |
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 56.0% of enrollment.
Simpson diversity index - at 63.4, Horace Mann Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Oakland Unified, which includes Horace Mann Elementary.
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 |
|---|---|---|---|
| Oakland Technical High | Larger | Lower economic need | Lower S:T ratio |
| Oakland High | Larger | Lower economic need | Lower S:T ratio |
| Skyline High | Larger | Lower economic need | Lower S:T ratio |
| Fremont High | Larger | Similar economic need | Lower S:T ratio |
| Coliseum College Prep Academy | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Horace Mann Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) 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 Horace Mann Elementary'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.
Horace Mann Elementary has 200 students enrolled. It is an elementary school in Oakland, CA.
The student-teacher ratio at Horace Mann Elementary is 33.3:1, which is 55% higher than the California average of 21.5:1 and 112% higher than the national average of 15.7:1.
95.8% of students at Horace Mann Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Horace Mann Elementary is Hispanic or Latino at 56.0% of enrollment, in Oakland, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.4/100.
Horace Mann Elementary has a Resource Investment Index of 10/100 (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, Horace Mann Elementary ranks #59 of 67 elementary schools in Oakland, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Oakland on the city page.
Horace Mann Elementary earns 10/100 on the Resource Investment Index, with class sizes larger than 98% 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 Horace Mann Elementary, Oakland Unified also operates Oakland Technical High (1,812 students), Oakland High (1,579 students), and Skyline High (1,250 students). See the Oakland 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, “Horace Mann Elementary, Oakland 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/horace-mann-elementary-ca-4
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