Enrollment
293
Illinois · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 170798000405
Brook Forest Elem School — Oak Brook, IL
Federal NCES profile for Brook Forest Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 58/100.
👥 Class size 64
🌟 Gifted program 30
📋 Attendance 80
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Butler Sd 53 · Illinois
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
9.1:1
vs 14.6:1 Illinois avg
-38% vs state
Student-teacher ratio in context
How Brook Forest Elem School compares with Illinois and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Brook Forest Elem School reports 293 enrolled students to the National Center for Education Statistics (NCES) alongside 29.0 full-time-equivalent teachers, producing a 9.1:1 student-teacher ratio. That figure sits 38% below the Illinois state mean of 14.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 43% lower, a useful calibration for families comparing districts across state lines.
Chronic absenteeism — missing 10% or more of school days — stands at 8.2% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Butler Sd 53 spends $40,555 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 78.2% from local sources (property taxes), 19.6% from the state, and 2.2% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 58/100 (C), calculated from 3 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Brook Forest Elem School compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.1:1 | ▼ 38% | 14.6:1 | 15.9:1 |
| Enrollment | 293 | top 35% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Staffing depth
9.1:1
students per teacher
— 38% below state mean
Top 5% in Illinois — lower ratio than 95% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
8.2%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$40,555
per pupil, district-wide
— above Illinois avg of $20,099
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 293 Top 35% in Illinois — larger than 65% of 3,845 state schools
Teachers (FTE) 29.0
Students per teacher 9.1:1 -38% vs state
Free-lunch eligible —
NCES ID 170798000405
Student demographics
Asian 49.5%
White 29.4%
Two or More 12.3%
Hispanic or Latino 6.8%
African American 2.0%
Largest group: Asian at 49.5% of enrollment.
Programs & staff
Counselors (FTE) 0.0
Discipline & special education
Chronically absent 8.2%
In-school suspensions 0
Out-of-school suspensions 0
Funding & spending
District-wide per-pupil expenditure for Butler Sd 53, which includes Brook Forest Elem School.
$40,555
Per student
+102%
vs Illinois
Avg $20,099
+108%
vs U.S.
Avg $19,490
Revenue mix
Local 78.2%
State 19.6%
Federal 2.2%
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.
Other Schools in This District
- Enrollment
- 163
- Students per teacher
- 7.3:1
- Enrollment
- 7
- Students per teacher
- —
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Brook Forest Elem School
How many students attend Brook Forest Elem School?
Brook Forest Elem School has 293 students enrolled. It is a elementary school in Oak Brook, IL.
What is the student-teacher ratio at Brook Forest Elem School?
The student-teacher ratio at Brook Forest Elem School is 9.1:1, which is 38% lower than the Illinois average of 14.6:1 and 43% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Brook Forest Elem School?
The largest demographic group at Brook Forest Elem School is Asian at 49.5%. The school serves a diverse student body in Oak Brook, IL.
What is the Resource Investment Index for Brook Forest Elem School?
Brook Forest Elem School has a Resource Investment Index of 58/100 (C) based on 3 factors: student-teacher ratio, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.