Enrollment
573
California · 2024-25 NCES data
Elementary school (grades K-5) · Fairfield, CA
Oakbrook Academy of the Arts
Federal NCES profile for Oakbrook Academy of the Arts, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061336008837
👥 S:T ratio 4
🌟 Gifted program 30
📋 Attendance 19
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Oakbrook Academy of the Arts earns 18/100 on the Resource Investment Index, with class sizes larger than 70% of California schools. It is also more racially and ethnically mixed than most California schools.
- #9 of 18
- elementary schools in Fairfield · Resource Index
- 18
- Resource Index · Lower
- 23.9:1
- large classes for California
- 32.0%
- free-lunch eligible
Oakbrook Academy of the Arts has class sizes larger than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Oakbrook Academy of the Arts ranks #9 of 18 elementary schools in Fairfield, CA.
School address
District: Fairfield-Suisun Unified · California
NCES ID 061336008837 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
23.9:1
vs 21.5:1 California avg
+11% vs state
Free-lunch eligible
32.0%
vs 55.5% California avg
-42% vs state
Student-teacher ratio in context
How Oakbrook Academy of the Arts compares with California and U.S. medians
What stands out at Oakbrook Academy of the Arts
Oakbrook Academy of the Arts is a mid-sized elementary school in Fairfield, California, enrolling 573 students.
Class loads run somewhat heavier than typical: 23.9:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.0% of students eligible for free meals.
Enrollment of 573 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.
Among 1,400 similarly sized, similarly resourced-need California schools statewide, it ranks #1,254, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (37%) and Asian (23%), more mixed than most schools in the state (diversity index 76/100).
Chronic absenteeism is elevated: 32.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Fairfield-Suisun Unified spends $13,113 per pupil, 21% below the California average, a leaner-resourced district than most.
Among Fairfield's elementary schools, it stands alongside K. I. Jones Elementary (760 students): Oakbrook Academy of the Arts is smaller than that campus by headcount and runs leaner classes (23.9:1 vs 25.3:1).
Fairfield-Suisun Unified also operates Angelo Rodriguez High (2,111 students) and Armijo High (1,844 students) alongside Oakbrook Academy of the Arts.
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 Oakbrook Academy of the Arts compares
Oakbrook Academy of the Arts on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.9:1 | ▲ 11% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 32.0% | ▼ 42% | 55.5% | 51.7% |
| Enrollment | 573 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.9:1
Leaner classes than 7% of US schools, heavier class loads than most.
573
Bigger than 70% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
32.0%
free-lunch eligible
- 42% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.9:1
students per teacher
- 11% above state mean
Top 70% in California - lower ratio than 30% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
32.5%
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
$13,113
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 12 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 2.6 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 36.8%
Asian 23.3%
White 18.0%
Two or More 12.1%
African American 9.3%
Native Hawaiian / Pacific Islander 0.5%
Largest group: Hispanic or Latino at 36.8% of enrollment.
Student-body diversity index 75.5/100
Simpson diversity index - at 75.5, Oakbrook Academy of the Arts is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Fairfield-Suisun Unified, which includes Oakbrook Academy of the Arts.
$13,113
Per student
-21%
vs California
Avg $16,509
-21%
vs U.S.
Avg $16,593
Revenue mix
Local 29.6%
State 60.2%
Federal 10.3%
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 Oakbrook Academy of the Arts Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Angelo Rodriguez High | Larger | Lower economic need | Similar S:T ratio |
| Armijo High | Larger | Higher economic need | Lower S:T ratio |
| Fairfield High | Larger | Higher economic need | Similar S:T ratio |
| Grange Middle | Larger | Higher economic need | Higher S:T ratio |
| Green Valley Middle | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Oakbrook Academy of the Arts's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,111
- Students per teacher
- 24.8:1
- Resource Index
- 12/100
- Enrollment
- 1,844
- Students per teacher
- 21.4:1
- Resource Index
- 28/100
- Enrollment
- 1,605
- Students per teacher
- 22.9:1
- Resource Index
- 19/100
- Enrollment
- 944
- Students per teacher
- 29.5:1
- Resource Index
- 23/100
- Enrollment
- 903
- Students per teacher
- 27.4:1
- Resource Index
- 28/100
Similar elementary schools in Fairfield
6 comparable elementary schools (grades K-5) serving the same city.
K. I. Jones Elementary
Standard public school
760 students 25.3:1 students per teacher
Nelda Mundy Elementary
Standard public school
756 students 25.2:1 students per teacher
Cordelia Hills Elementary
Standard public school
754 students 26:1 students per teacher
Weir Preparatory Academy
Standard public school
699 students 25.9:1 students per teacher
Laurel Creek Elementary
Standard public school
648 students 25.9:1 students per teacher
Center Elementary
Standard public school
640 students 30.5:1 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 (~573 students)
Similar student-teacher ratio (~23.9:1)
Next steps
Verify locally before acting on Oakbrook Academy of the Arts's federal record.
- Compare Oakbrook Academy of the Arts against another school. Compare schools
- Fairfield-Suisun 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 Oakbrook Academy of the Arts
How many students attend Oakbrook Academy of the Arts?
Oakbrook Academy of the Arts has 573 students enrolled. It is an elementary school in Fairfield, CA.
What is the student-teacher ratio at Oakbrook Academy of the Arts?
The student-teacher ratio at Oakbrook Academy of the Arts is 23.9:1, which is 11% higher than the California average of 21.5:1 and 52% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Oakbrook Academy of the Arts?
32.0% of students at Oakbrook Academy of the Arts are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Oakbrook Academy of the Arts?
The largest demographic group at Oakbrook Academy of the Arts is Hispanic or Latino at 36.8% of enrollment, in Fairfield, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.5/100.
What is the Resource Investment Index for Oakbrook Academy of the Arts?
Oakbrook Academy of the Arts has a Resource Investment Index of 18/100 (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).
How does Oakbrook Academy of the Arts rank among elementary schools in Fairfield?
By Resource Investment Index, Oakbrook Academy of the Arts ranks #9 of 18 elementary schools in Fairfield, 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 Fairfield on the city page.
Is Oakbrook Academy of the Arts a good school?
Oakbrook Academy of the Arts earns 18/100 on the Resource Investment Index, with class sizes larger than 70% of California schools. It is also more 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 Fairfield-Suisun Unified?
Besides Oakbrook Academy of the Arts, Fairfield-Suisun Unified also operates Angelo Rodriguez High (2,111 students), Armijo High (1,844 students), and Fairfield High (1,605 students). See the Fairfield-Suisun 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.