Enrollment
117
California · 2024-25 NCES data
Elementary school (grades K-5) · Glen Ellen, CA
Dunbar Elementary
Federal NCES profile for Dunbar Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063720006299
👥 S:T ratio 22
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Dunbar Elementary earns 17/100 on the Resource Investment Index, with class sizes near the California median.
- 17
- Resource Index · Lower
- 19.5:1
- students per teacher
- 63.2%
- free-lunch eligible
- 117
- students enrolled
Dunbar Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
School address
District: Sonoma Valley Unified · California
NCES ID 063720006299 Verify on NCES CCD record →
Teachers (FTE)
6.0
Federal CCD staff survey
Students per teacher
19.5:1
vs 21.5:1 California avg
-9% vs state
Free-lunch eligible
63.2%
vs 55.5% California avg
+14% vs state
Student-teacher ratio in context
How Dunbar Elementary compares with California and U.S. medians
What stands out at Dunbar Elementary
Dunbar Elementary is a higher-need, small elementary school in Glen Ellen, California, enrolling 117 students.
Class sizes run a bit leaner than typical: 19.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 63.2% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 117 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 321 similarly sized, similarly resourced-need California schools statewide, it ranks #287, in the lower tier once campus size and economic need are matched.
Chronic absenteeism is elevated: 83.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Sonoma Valley Unified spends $21,339 per pupil, 29% above the California average, a better-resourced district than most.
Sonoma Valley Unified also operates Sonoma Valley High (1,071 students) and Flowery Elementary (368 students) alongside Dunbar 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
How Dunbar Elementary compares
Dunbar 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 | 19.5:1 | ▼ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 63.2% | ▲ 14% | 55.5% | 51.7% |
| Enrollment | 117 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.5:1
Leaner classes than 18% of US schools, heavier class loads than most.
117
Bigger than 12% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
63.2%
free-lunch eligible
- 14% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.5:1
students per teacher
- 9% below state mean
Top 31% in California - lower ratio than 69% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
83.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$21,339
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
4
in-school suspensions + 0 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 3.4 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.
Programs
Funding & spending
District-wide per-pupil expenditure for Sonoma Valley Unified, which includes Dunbar Elementary.
$21,339
Per student
+29%
vs California
Avg $16,509
+29%
vs U.S.
Avg $16,593
Revenue mix
Local 74.2%
State 14.7%
Federal 11.2%
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 Dunbar Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sonoma Valley High | Larger | Lower economic need | Similar S:T ratio |
| Flowery Elementary | Larger | Lower economic need | Higher S:T ratio |
| Adele Harrison Middle | Larger | Lower economic need | Similar S:T ratio |
| Altimira Middle | Larger | Lower economic need | Lower S:T ratio |
| El Verano Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Dunbar Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,071
- Students per teacher
- 20.6:1
- Resource Index
- 36/100
- Enrollment
- 368
- Students per teacher
- 24.5:1
- Resource Index
- 11/100
- Enrollment
- 334
- Students per teacher
- 19.6:1
- Resource Index
- 30/100
- Enrollment
- 324
- Students per teacher
- 15.4:1
- Resource Index
- 45/100
- Enrollment
- 314
- Students per teacher
- 26.2:1
- Resource Index
- 7/100
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 (~117 students)
Similar student-teacher ratio (~19.5:1)
Next steps
Verify locally before acting on Dunbar Elementary's federal record.
- Compare Dunbar Elementary against another school. Compare schools
- Sonoma Valley Unified'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 Dunbar Elementary
How many students attend Dunbar Elementary?
Dunbar Elementary has 117 students enrolled. It is an elementary school in Glen Ellen, CA.
What is the student-teacher ratio at Dunbar Elementary?
The student-teacher ratio at Dunbar Elementary is 19.5:1, which is 9% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Dunbar Elementary?
63.2% of students at Dunbar Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the Resource Investment Index for Dunbar Elementary?
Dunbar Elementary has a Resource Investment Index of 17/100 (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).
Is Dunbar Elementary a good school?
Dunbar Elementary earns 17/100 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 Sonoma Valley Unified?
Besides Dunbar Elementary, Sonoma Valley Unified also operates Sonoma Valley High (1,071 students), Flowery Elementary (368 students), and Adele Harrison Middle (334 students). See the Sonoma Valley Unified 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.