Enrollment
300
California · 2024-25 NCES data
Elementary school (grades K-5) · Potrero, CA
Federal NCES profile for Potrero Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.
The verdict
Potrero Elementary earns 19/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.
Potrero Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
NCES ID 062610003909 Verify on NCES CCD record →
Enrollment
300
California · 2024-25 NCES data
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
23.1:1
vs 21.5:1 California avg
+7% vs state
Free-lunch eligible
62.7%
vs 55.5% California avg
+13% vs state
How Potrero Elementary compares with California and U.S. medians
Slightly above state median
23.1:1 - 1.6 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Potrero Elementary is a higher-need, mid-sized elementary school in Potrero, California, enrolling 300 students.
Class loads run somewhat heavier than typical: 23.1:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 62.7% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 300 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,125 similarly sized, similarly resourced-need California schools statewide, it ranks #880, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (99% of enrollment), among the less diverse in the state (diversity index 3/100).
Counselor coverage runs a bit thin, about 300 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 59.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 15.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Mountain Empire Unified also operates Mountain Empire High (412 students) and Campo Elementary (359 students) alongside Potrero 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
Potrero 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 | 23.1:1 | ▲ 7% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 62.7% | ▲ 13% | 55.5% | 51.7% |
| Enrollment | 300 | top 74% | - | - |
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 98.7% of enrollment.
Simpson diversity index - at 2.6, Potrero Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Mountain Empire Unified, which includes Potrero 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 |
|---|---|---|---|
| Mountain Empire High | Larger | Lower economic need | Lower S:T ratio |
| Campo Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Camp Lockett Middle | Similar size | Similar economic need | Higher S:T ratio |
| Clover Flat Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Descanso Elementary | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to Potrero Elementary'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 Potrero 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.
Potrero Elementary has 300 students enrolled. It is an elementary school in Potrero, CA.
The student-teacher ratio at Potrero Elementary is 23.1:1, which is 7% higher than the California average of 21.5:1 and 47% higher than the national average of 15.7:1.
62.7% of students at Potrero Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Potrero Elementary is Hispanic or Latino at 98.7% of enrollment, in Potrero, CA.
Potrero Elementary has a Resource Investment Index of 19/100 (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).
Potrero Elementary earns 19/100 on the Resource Investment Index, with class sizes near the California median. It is also less 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 Potrero Elementary, Mountain Empire Unified also operates Mountain Empire High (412 students), Campo Elementary (359 students), and Camp Lockett Middle (245 students). See the Mountain Empire 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, “Potrero Elementary, Potrero 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/potrero-elementary-ca-2
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