Enrollment
353
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Aurora, IL
Federal NCES profile for Oak Park Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Oak Park Elem School earns 52/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
Oak Park Elem School has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Oak Park Elem School ranks #4 of 21 schools in Aurora, IL.
NCES ID 170468000153 Verify on NCES CCD record →
Enrollment
353
Illinois · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 14:1 Illinois avg
+5% vs state
How Oak Park Elem School compares with Illinois and U.S. medians
Slightly above state median
14.7:1 - 0.7 above the Illinois state median of 14:1, indicating larger average class loads than typical schools in the state.
Oak Park Elem School is a mid-sized combined-grade school in Aurora, Illinois, enrolling 353 students.
Class loads run somewhat heavier than typical: 14.7:1 puts it in the larger third of Illinois schools by student-teacher ratio.
With 353 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the upper third of 3,845 scored Illinois schools.
Its student body is predominantly Hispanic or Latino (98% of enrollment), among the less diverse in the state (diversity index 5/100).
Attendance holds up well here: only 5.7% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 19.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Aurora's public schools, it stands alongside Olney C Allen Elem School (712 students): Oak Park Elem School is smaller than that campus by headcount and runs leaner classes (14.7:1 vs 16.6:1).
Aurora East Usd 131 also operates East High School (4,020 students) and Henry W Cowherd Middle School (807 students) alongside Oak Park Elem School.
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
Oak Park Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.7:1 | ▲ 5% | 14:1 | 15.7:1 |
| Enrollment | 353 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 97.7% of enrollment.
Simpson diversity index - at 4.5, Oak Park Elem School is less mixed than the Illinois school average of 38.9.
District-wide per-pupil expenditure for Aurora East Usd 131, which includes Oak Park Elem School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| East High School | Larger | No free-lunch data | Higher S:T ratio |
| Henry W Cowherd Middle School | Larger | No free-lunch data | Lower S:T ratio |
| C F Simmons Middle School | Larger | No free-lunch data | Lower S:T ratio |
| K D Waldo Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Olney C Allen Elem School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Oak Park Elem School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Oak Park Elem School's federal record.
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.
Oak Park Elem School has 353 students enrolled. It is a public school in Aurora, IL.
The student-teacher ratio at Oak Park Elem School is 14.7:1, which is 5% higher than the Illinois average of 14:1 and 6% lower than the national average of 15.7:1.
The largest demographic group at Oak Park Elem School is Hispanic or Latino at 97.7% of enrollment, in Aurora, IL.
Oak Park Elem School has a Resource Investment Index of 52/100 (higher 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).
By Resource Investment Index, Oak Park Elem School ranks #4 of 21 schools in Aurora, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Aurora on the city page.
Oak Park Elem School earns 52/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois 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.
Besides Oak Park Elem School, Aurora East Usd 131 also operates East High School (4,020 students), Henry W Cowherd Middle School (807 students), and C F Simmons Middle School (792 students). See the Aurora East Usd 131 district page for the complete list.
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.
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PlainSchools, “Oak Park Elem School, Aurora IL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/oak-park-elem-school-il
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