Enrollment
319
California · 2024-25 NCES data
Elementary school (grades K-5) · Pinole, CA
Federal NCES profile for Ellerhorst Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Ellerhorst Elementary earns 34/100 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.
Ellerhorst Elementary has class sizes smaller than 74% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ellerhorst Elementary ranks #2 of 5 elementary schools in Pinole, CA.
NCES ID 063255005026 Verify on NCES CCD record →
Enrollment
319
California · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 21.5:1 California avg
-13% vs state
Free-lunch eligible
29.2%
vs 55.5% California avg
-47% vs state
How Ellerhorst Elementary compares with California and U.S. medians
Smaller classes than state median
18.8:1 - 2.7 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Ellerhorst Elementary is a mid-sized elementary school in Pinole, California, enrolling 319 students.
Class sizes run a bit leaner than typical: 18.8:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 29.2% of students eligible for free meals.
Enrollment of 319 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 725 statewide peers matched on enrollment and economic need, it ranks mid-pack at #321.
Its student body is led by Hispanic or Latino (42%) and White (20%), more mixed than most schools in the state (diversity index 73/100).
Chronic absenteeism is elevated: 37.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Pinole's elementary schools, it stands alongside West County Mandarin (528 students): Ellerhorst Elementary is smaller than that campus by headcount and runs leaner classes (18.8:1 vs 29.3:1).
West Contra Costa Unified also operates El Cerrito High (1,460 students) and Richmond High (1,280 students) alongside Ellerhorst 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
Ellerhorst 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 | 18.8:1 | ▼ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 29.2% | ▼ 47% | 55.5% | 51.7% |
| Enrollment | 319 | top 72% | - | - |
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 42.3% of enrollment.
Simpson diversity index - at 73.1, Ellerhorst Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for West Contra Costa Unified, which includes Ellerhorst 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 |
|---|---|---|---|
| El Cerrito High | Larger | Similar economic need | Higher S:T ratio |
| Richmond High | Larger | Higher economic need | Similar S:T ratio |
| Pinole Valley High | Larger | Similar economic need | Higher S:T ratio |
| De Anza High | Larger | Higher economic need | Lower S:T ratio |
| Hercules High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ellerhorst Elementary's own figures; each column derives from NCES Common Core of Data.
4 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 Ellerhorst 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.
Ellerhorst Elementary has 319 students enrolled. It is an elementary school in Pinole, CA.
The student-teacher ratio at Ellerhorst Elementary is 18.8:1, which is 13% 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.
29.2% of students at Ellerhorst Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Ellerhorst Elementary is Hispanic or Latino at 42.3% of enrollment, in Pinole, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.1/100.
Ellerhorst Elementary has a Resource Investment Index of 34/100 (typical 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, Ellerhorst Elementary ranks #2 of 5 elementary schools in Pinole, 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 Pinole on the city page.
Ellerhorst Elementary earns 34/100 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 Ellerhorst Elementary, West Contra Costa Unified also operates El Cerrito High (1,460 students), Richmond High (1,280 students), and Pinole Valley High (1,245 students). See the West Contra Costa 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, “Ellerhorst Elementary, Pinole 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/ellerhorst-elementary-ca
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