Enrollment
693
California · 2024-25 NCES data
Elementary school (grades K-5) · Greenfield, CA
Oak Avenue Elementary
Federal NCES profile for Oak Avenue Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061608008852
👥 S:T ratio 1
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oak Avenue Elementary earns 26/100 on the Resource Investment Index, with class sizes larger than 78% of California schools. It is also less racially and ethnically mixed than most California schools.
- #3 of 4
- elementary schools in Greenfield · Resource Index
- 26
- Resource Index · Lower
- 24.8:1
- large classes for California
- 79.9%
- free-lunch eligible
Oak Avenue Elementary has class sizes larger than 78% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oak Avenue Elementary ranks #3 of 4 elementary schools in Greenfield, CA.
School address
District: Greenfield Union Elementary · California
NCES ID 061608008852 Verify on NCES CCD record →
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
24.8:1
vs 21.5:1 California avg
+15% vs state
Free-lunch eligible
79.9%
vs 55.5% California avg
+44% vs state
Student-teacher ratio in context
How Oak Avenue Elementary compares with California and U.S. medians
What stands out at Oak Avenue Elementary
Oak Avenue Elementary is a high-poverty, mid-sized elementary school in Greenfield, California, enrolling 693 students.
Class loads run somewhat heavier than typical: 24.8:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 79.9% of students eligible for free meals.
Enrollment of 693 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,868 statewide peers matched on enrollment and economic need, it ranks mid-pack at #802.
Its student body is predominantly Hispanic or Latino (98% of enrollment), among the less diverse in the state (diversity index 3/100).
Counselor access is stretched at roughly 693 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Greenfield's elementary schools, it stands alongside Mary Chapa Academy (686 students): Oak Avenue Elementary is larger than that campus by headcount and runs heavier classes (24.8:1 vs 22.1:1).
Greenfield Union Elementary also operates Vista Verde Middle (727 students) and Mary Chapa Academy (686 students) alongside Oak Avenue 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 Oak Avenue Elementary compares
Oak Avenue 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 | 24.8:1 | ▲ 15% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 79.9% | ▲ 44% | 55.5% | 51.7% |
| Enrollment | 693 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.8:1
Leaner classes than 5% of US schools, heavier class loads than most.
693
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
79.9%
free-lunch eligible
- 44% 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
24.8:1
students per teacher
- 15% above state mean
Top 78% in California - lower ratio than 22% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
11.4%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$14,838
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 693 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 14 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.2 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
Hispanic or Latino 98.3%
White 0.9%
American Indian / Alaska Native 0.7%
African American 0.1%
Largest group: Hispanic or Latino at 98.3% of enrollment.
Student-body diversity index 3.4/100
Simpson diversity index - at 3.4, Oak Avenue Elementary is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Greenfield Union Elementary, which includes Oak Avenue Elementary.
$14,838
Per student
-10%
vs California
Avg $16,509
-11%
vs U.S.
Avg $16,593
Revenue mix
Local 16.3%
State 71.8%
Federal 11.9%
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 Avenue Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Vista Verde Middle | Similar size | Similar economic need | Similar S:T ratio |
| Mary Chapa Academy | Similar size | Similar economic need | Lower S:T ratio |
| Cesar Chavez Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Arroyo Seco Academy | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Oak Avenue Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 727
- Students per teacher
- 23.5:1
- Resource Index
- 32/100
- Enrollment
- 686
- Students per teacher
- 22.1:1
- Resource Index
- 35/100
- Enrollment
- 642
- Students per teacher
- 24.7:1
- Resource Index
- 26/100
- Enrollment
- 571
- Students per teacher
- 20.4:1
- Resource Index
- 35/100
Similar elementary schools in Greenfield
3 comparable elementary schools (grades K-5) serving the same city.
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 (~693 students)
Similar student-teacher ratio (~24.8:1)
Next steps
Verify locally before acting on Oak Avenue Elementary's federal record.
- Compare Oak Avenue Elementary against another school. Compare schools
- Greenfield 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 Avenue Elementary
How many students attend Oak Avenue Elementary?
Oak Avenue Elementary has 693 students enrolled. It is an elementary school in Greenfield, CA.
What is the student-teacher ratio at Oak Avenue Elementary?
The student-teacher ratio at Oak Avenue Elementary is 24.8:1, which is 15% higher than the California average of 21.5:1 and 58% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oak Avenue Elementary?
79.9% of students at Oak Avenue Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oak Avenue Elementary?
The largest demographic group at Oak Avenue Elementary is Hispanic or Latino at 98.3% of enrollment, in Greenfield, CA.
What is the Resource Investment Index for Oak Avenue Elementary?
Oak Avenue Elementary has a Resource Investment Index of 26/100 (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 Avenue Elementary rank among elementary schools in Greenfield?
By Resource Investment Index, Oak Avenue Elementary ranks #3 of 4 elementary schools in Greenfield, 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 Greenfield on the city page.
Is Oak Avenue Elementary a good school?
Oak Avenue Elementary earns 26/100 on the Resource Investment Index, with class sizes larger than 78% of California schools. It is also less 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.
What other schools are in Greenfield Union Elementary?
Besides Oak Avenue Elementary, Greenfield Union Elementary also operates Vista Verde Middle (727 students), Mary Chapa Academy (686 students), and Cesar Chavez Elementary (642 students). See the Greenfield 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.