Enrollment
472
California · 2024-25 NCES data
Elementary school (grades K-5) · Penngrove, CA
Federal NCES profile for Penngrove Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Penngrove Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 86% of California schools.
Penngrove Elementary has class sizes larger than 86% of California schools. Computed live against every California school reporting to NCES.
NCES ID 063023004722 Verify on NCES CCD record →
Enrollment
472
California · 2024-25 NCES data
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
26.2:1
vs 21.5:1 California avg
+22% vs state
Free-lunch eligible
22.2%
vs 55.5% California avg
-60% vs state
How Penngrove Elementary compares with California and U.S. medians
Larger classes than state median
26.2:1 - 4.7 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Penngrove Elementary is a mid-sized charter elementary school in Penngrove, California, enrolling 472 students.
Class loads run heavy: 26.2:1 is larger than about 86% of California schools and 22% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 22.2% free-meal eligibility runs 60% below the California average.
With 472 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 1,236 statewide peers matched on enrollment and economic need, it ranks mid-pack at #804.
Its student body is led by White (65%) and Hispanic or Latino (20%) (diversity index 52/100).
Chronic absenteeism is elevated: 32.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Petaluma City Elementary also operates Grant Elementary (386 students) and Mckinley Elementary (368 students) alongside Penngrove 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
Penngrove 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 | 26.2:1 | ▲ 22% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 22.2% | ▼ 60% | 55.5% | 51.7% |
| Enrollment | 472 | top 49% | - | - |
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: White at 65.3% of enrollment.
Simpson diversity index - at 52.3, Penngrove Elementary is more mixed than the California school average of 46.0.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grant Elementary | Similar size | Lower economic need | Lower S:T ratio |
| Mckinley Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Mcnear Elementary | Smaller | Similar economic need | Lower S:T ratio |
| Mcdowell Elementary | Smaller | Higher economic need | Similar S:T ratio |
| Valley Vista Elementary | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Penngrove 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 Penngrove 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.
Penngrove Elementary has 472 students enrolled. It is an elementary school in Penngrove, CA.
The student-teacher ratio at Penngrove Elementary is 26.2:1, which is 22% higher than the California average of 21.5:1 and 67% higher than the national average of 15.7:1.
22.2% of students at Penngrove Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Penngrove Elementary is White at 65.3% of enrollment, in Penngrove, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.3/100.
Penngrove Elementary has a Resource Investment Index of 30/100 (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).
Penngrove Elementary earns 30/100 on the Resource Investment Index, with class sizes larger than 86% 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 Penngrove Elementary, Petaluma City Elementary also operates Grant Elementary (386 students), Mckinley Elementary (368 students), and Mcnear Elementary (343 students). See the Petaluma City Elementary 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, “Penngrove Elementary, Penngrove 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/penngrove-elementary-ca
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