Enrollment
446
California · 2024-25 NCES data
Elementary school (grades K-5) · Oakland, CA
Federal NCES profile for Cox Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
The verdict
Cox Academy earns 27/100 on the Resource Investment Index, even as it posts class sizes smaller than 70% of California schools.
Cox Academy has class sizes smaller than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Cox Academy ranks #15 of 67 elementary schools in Oakland, CA.
NCES ID 060171804257 Verify on NCES CCD record →
Enrollment
446
California · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
83.0%
vs 55.5% California avg
+50% vs state
How Cox Academy compares with California and U.S. medians
Cox Academy is a high-poverty, mid-sized charter elementary school in Oakland, California, enrolling 446 students.
Class sizes run a bit leaner than typical: 19.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need is high: 83.0% of students qualify for free meals, 50% above the California average, a Title I-weighted population that federal funding formulas prioritise.
With 446 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,916 statewide peers matched on enrollment and economic need, it ranks mid-pack at #878.
Its student body is led by Hispanic or Latino (79%) and African American (15%) (diversity index 36/100).
Counselor coverage is strong, about 223 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 49.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Oakland's elementary schools, it stands alongside Yu Ming Charter (959 students): Cox Academy is smaller than that campus by headcount and runs leaner classes (19.4:1 vs 24:1).
Cox Academy District is a single-school charter district, so Cox Academy operates independently rather than alongside district-mates.
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
Cox Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.4:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 83.0% | ▲ 50% | 55.5% | 51.7% |
| Enrollment | 446 | 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 78.7% of enrollment.
Simpson diversity index - at 35.7, Cox Academy is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Cox Academy District, which includes Cox Academy.
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.
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 Cox Academy'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.
Cox Academy has 446 students enrolled. It is an elementary school in Oakland, CA.
The student-teacher ratio at Cox Academy is 19.4:1, which is 10% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
83.0% of students at Cox Academy are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Cox Academy is Hispanic or Latino at 78.7% of enrollment, in Oakland, CA.
Cox Academy has a Resource Investment Index of 27/100 (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, Cox Academy ranks #15 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.
Cox Academy earns 27/100 on the Resource Investment Index, even as it posts class sizes smaller 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.
None; Cox Academy District is a single-school charter district, and Cox Academy is its only campus.
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.