- Enrollment
- 163
- Students per teacher
- 6.3:1
- Resource Index
- 60/100
Elementary school (grades K-5) · Oak Brook, IL
Brook Forest Elem School
Federal NCES profile for Brook Forest Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 56/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170798000405
👥 S:T ratio 60
🌟 Gifted program 30
📋 Attendance 80
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Brook Forest Elem School earns 56/100 on the Resource Investment Index, with class sizes smaller than 90% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #2 of 3
- public schools in Oak Brook · Resource Index
- 56
- Resource Index · Higher
- 10.1:1
- small classes for Illinois
- 293
- students enrolled
Brook Forest Elem School has class sizes smaller than 90% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Brook Forest Elem School ranks #2 of 3 public schools in Oak Brook, IL.
School address
District: Butler Sd 53 · Illinois
NCES ID 170798000405 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+14 students YoY
Brook Forest Elem School grew from 265 students in 2022-23 to 279 in 2023-24 (+5.3%).
Teacher FTE added 29.0 → 33.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+14 students YoY 170798000405 · Oak Brook, IL Elementary · SMALL · TRAD
293 enr · 10.1:1 · RII 56
Nearest enrollment peer: Butler Junior High School (163 students)
Brook Forest Elem School grew from 265 students in 2022-23 to 279 in 2023-24 (+5.3%). Teacher FTE added 29.0 → 33.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Brook Forest Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Brook Forest Elem School
293 students
- Butler Junior
Butler Junior High School
163 students
- Oak Brook Park 7
Oak Brook Park District
7 students
What this shows Brook Forest Elem School reports 293 students on the CCD universe file.
How Brook Forest Elem School compares
Brook Forest Elem School is a growing campus on CCD: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.1:1 | ▼ 28% | 14:1 | 15.7:1 |
| Enrollment | 293 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.1:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
293
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
10.1:1
students per teacher
- 28% below state mean
Top 10% in Illinois - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
8.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$30,639
per pupil, district-wide
- above Illinois avg of $18,196
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
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.
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.
Student-body diversity index 64.8/100
Simpson diversity index - at 64.8, Brook Forest Elem School is more mixed than the Illinois school average of 38.9.
Programs
District finance for Butler Sd 53 reports $30,639 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Brook Forest Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Butler Junior High School | Smaller | No free-lunch data | Lower S:T ratio |
| Oak Brook Park District | Smaller | No free-lunch data | No ratio data |
Comparisons are relative to Brook Forest Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 7
- Students per teacher
- -
- Resource Index
- 30/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~293 students)
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 an elementary school in Oak Brook, IL. CCD year-over-year: 265 (2022-23) → 279 (2023-24), up 14.
What is the student-teacher ratio at Brook Forest Elem School?
The student-teacher ratio at Brook Forest Elem School is 10.1:1, which is 28% lower than the Illinois average of 14:1 and 36% lower than the national average of 15.7:1. 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% of enrollment, in Oak Brook, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.8/100.
What is the Resource Investment Index for Brook Forest Elem School?
Brook Forest Elem School has a Resource Investment Index of 56/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Brook Forest Elem School rank among public schools in Oak Brook?
By Resource Investment Index, Brook Forest Elem School ranks #2 of 3 public schools in Oak Brook, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in Butler Sd 53?
Besides Brook Forest Elem School, Butler Sd 53 also operates Butler Junior High School (163 students) and Oak Brook Park District (7 students). See the Butler Sd 53 district page for the complete list.