Enrollment
708
California · 2024-25 NCES data
Elementary school (grades K-5) · Santa Rosa, CA
Oak Grove Elementary/Willowside Middle
Federal NCES profile for Oak Grove Elementary/Willowside Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062784004226Charter school
👥 S:T ratio 14
🌟 Gifted program 30
🎓 Counselors 21
📋 Attendance 54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Grove Elementary/Willowside Middle earns 30/100 on the Resource Investment Index, with class sizes near the California median.
- #20 of 45
- elementary schools in Santa Rosa · Resource Index
- 30
- Resource Index · Lower
- 21.5:1
- students per teacher
- 23.7%
- free-lunch eligible
Oak Grove Elementary/Willowside Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oak Grove Elementary/Willowside Middle ranks #20 of 45 elementary schools in Santa Rosa, CA.
School address
District: Oak Grove Union Elementary · California
NCES ID 062784004226 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
21.5:1
vs 21.5:1 California avg
+0% vs state
Free-lunch eligible
23.7%
vs 55.5% California avg
-57% vs state
Student-teacher ratio in context
How Oak Grove Elementary/Willowside Middle compares with California and U.S. medians
What stands out at Oak Grove Elementary/Willowside Middle
Oak Grove Elementary/Willowside Middle is a mid-sized charter elementary school in Santa Rosa, California, enrolling 708 students.
At 21.5:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 23.7% free-meal eligibility runs 57% below the California average.
Enrollment of 708 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,287 statewide peers matched on enrollment and economic need, it ranks mid-pack at #822.
Its student body is led by White (58%) and Hispanic or Latino (31%) (diversity index 56/100).
Counselor availability sits well past the ASCA benchmark, roughly 393 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 18.5% of students chronically absent per the 2021-22 civil-rights collection.
Among Santa Rosa's elementary schools, it stands alongside Cesar Chavez Language Academy (773 students): Oak Grove Elementary/Willowside Middle is smaller than that campus by headcount and runs heavier classes (21.5:1 vs 18.9:1).
Its district, Oak Grove Union Elementary, also runs Oak Grove Elementary (91 students).
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
How Oak Grove Elementary/Willowside Middle compares
Oak Grove Elementary/Willowside Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.5:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 23.7% | ▼ 57% | 55.5% | 51.7% |
| Enrollment | 708 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.5:1
Leaner classes than 12% of US schools, heavier class loads than most.
708
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
23.7%
free-lunch eligible
- 57% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21.5:1
students per teacher
- 0% above state mean
Top 48% in California - lower ratio than 52% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
18.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$16,314
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.8 FTE
Per 393 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 36 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 5.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 58.2%
Hispanic or Latino 30.5%
Two or More 7.5%
Asian 1.6%
African American 1.1%
American Indian / Alaska Native 1.1%
Largest group: White at 58.2% of enrollment.
Student-body diversity index 56.2/100
Simpson diversity index - at 56.2, Oak Grove Elementary/Willowside Middle is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Oak Grove Union Elementary, which includes Oak Grove Elementary/Willowside Middle.
$16,314
Per student
-1%
vs California
Avg $16,509
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 35.9%
State 59.6%
Federal 4.6%
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.
How Oak Grove Elementary/Willowside Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oak Grove Elementary | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Oak Grove Elementary/Willowside Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 91
- Students per teacher
- 22.8:1
- Resource Index
- 30/100
Similar elementary schools in Santa Rosa
6 comparable elementary schools (grades K-5) serving the same city.
Cesar Chavez Language Academy
Standard public school
773 students 18.9:1 students per teacher
Sheppard Elementary
Standard public school
577 students 24:1 students per teacher
Mattie Washburn Elementary
Standard public school
535 students 19.8:1 students per teacher
Roseland Creek Elementary
Standard public school
534 students 24.3:1 students per teacher
Santa Rosa French-American Charter (Srfacs)
Standard public school
525 students 23.9:1 students per teacher
Yulupa Elementary
Standard public school
523 students 19.4:1 students per teacher
Similar elementary schools statewide
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.
Similar enrollment (~708 students)
Similar student-teacher ratio (~21.5:1)
Next steps
Verify locally before acting on Oak Grove Elementary/Willowside Middle's federal record.
- Compare Oak Grove Elementary/Willowside Middle against another school. Compare schools
- Oak Grove Union Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Oak Grove Elementary/Willowside Middle
How many students attend Oak Grove Elementary/Willowside Middle?
Oak Grove Elementary/Willowside Middle has 708 students enrolled. It is an elementary school in Santa Rosa, CA.
What is the student-teacher ratio at Oak Grove Elementary/Willowside Middle?
The student-teacher ratio at Oak Grove Elementary/Willowside Middle is 21.5:1, which is 0% higher than the California average of 21.5:1 and 37% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oak Grove Elementary/Willowside Middle?
23.7% of students at Oak Grove Elementary/Willowside Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oak Grove Elementary/Willowside Middle?
The largest demographic group at Oak Grove Elementary/Willowside Middle is White at 58.2% of enrollment, in Santa Rosa, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.2/100.
What is the Resource Investment Index for Oak Grove Elementary/Willowside Middle?
Oak Grove Elementary/Willowside Middle has a Resource Investment Index of 30/100 (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).
How does Oak Grove Elementary/Willowside Middle rank among elementary schools in Santa Rosa?
By Resource Investment Index, Oak Grove Elementary/Willowside Middle ranks #20 of 45 elementary schools in Santa Rosa, 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 Santa Rosa on the city page.
Is Oak Grove Elementary/Willowside Middle a good school?
Oak Grove Elementary/Willowside Middle earns 30/100 on the Resource Investment Index, with class sizes near the California median. 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.
What other schools are in Oak Grove Union Elementary?
Besides Oak Grove Elementary/Willowside Middle, Oak Grove Union Elementary also operates Oak Grove Elementary (91 students). See the Oak Grove Union Elementary district page for the complete list.
Related tools
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.