Elementary school (grades K-5) · Petaluma, CA
Wilson Elementary
Federal NCES profile for Wilson Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
The verdict
Wilson Elementary earns 35/100 on the Resource Investment Index, with class sizes larger than 86% of California schools.
- #14 of 25
- elementary schools in Petaluma · Resource Index
- 35
- Resource Index · Typical
- 26.1:1
- large classes for California
- 19.3%
- free-lunch eligible
Wilson Elementary has class sizes larger than 86% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Wilson Elementary ranks #14 of 25 elementary schools in Petaluma, CA.
School address
NCES ID 064275006980 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Wilson Elementary held near 223 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE lost 9.8 → 8.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 064275006980 · Petaluma, CA Elementary · SMALL · TRAD
235 enr · 26.1:1 · 19.3% lunch · RII 35
Nearest enrollment peer: Stevenson Middle School (235 students)
Wilson Elementary held near 223 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE lost 9.8 → 8.8 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
How Wilson Elementary compares
Wilson Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26.1:1 | ▲ 21% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 19.3% | ▼ 65% | 55.5% | 51.7% |
| Enrollment | 235 | top 80% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 78.3% of enrollment.
Simpson diversity index - at 35.7, Wilson Elementary is less mixed than the California school average of 46.0.
Programs
District finance for Wilmar Union Elementary reports $14,484 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar elementary schools in Petaluma
6 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~235 students)
Frequently asked questions about Wilson Elementary
How many students attend Wilson Elementary?
Wilson Elementary has 235 students enrolled. It is an elementary school in Petaluma, CA. CCD year-over-year: 218 (2022-23) → 223 (2023-24), nearly flat (+5).
What is the student-teacher ratio at Wilson Elementary?
The student-teacher ratio at Wilson Elementary is 26.1:1, which is 21% higher than the California average of 21.5:1 and 66% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Wilson Elementary?
19.3% of students at Wilson Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Wilson Elementary?
The largest demographic group at Wilson Elementary is White at 78.3% of enrollment, in Petaluma, CA.
What is the Resource Investment Index for Wilson Elementary?
Wilson Elementary has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Wilson Elementary rank among elementary schools in Petaluma?
By Resource Investment Index, Wilson Elementary ranks #14 of 25 elementary schools in Petaluma, 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 Petaluma on the city page.
What other schools are in Wilmar Union Elementary?
None reported; Wilmar Union Elementary operates only Wilson Elementary as a public school district in NCES's records.