- Enrollment
- 420
- Students per teacher
- 11.1:1
- Resource Index
- 45/100
Other / mixed grade configuration · Hanover Park, IL
Greenbrook Elem School
Federal NCES profile for Greenbrook Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataOther / mixed grade configurationNCES 172088004682
👥 S:T ratio 56
🌟 Gifted program 70
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Greenbrook Elem School earns 43/100 on the Resource Investment Index, with class sizes smaller than 81% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #1 of 5
- schools in Hanover Park · Resource Index
- 43
- Resource Index · Typical
- 11.1:1
- small classes for Illinois
- 466
- students enrolled
Greenbrook Elem School has class sizes smaller than 81% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Greenbrook Elem School ranks #1 of 5 schools in Hanover Park, IL.
School address
District: Keeneyville Sd 20 · Illinois
NCES ID 172088004682 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+23 students YoY
Greenbrook Elem School grew from 428 students in 2022-23 to 451 in 2023-24 (+5.4%).
Teacher FTE added 42.5 → 45.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+23 students YoY 172088004682 · Hanover Park, IL Other · SMALL · TRAD
466 enr · 11.1:1 · RII 43
Nearest enrollment peer: Spring Wood Middle School (420 students)
Greenbrook Elem School grew from 428 students in 2022-23 to 451 in 2023-24 (+5.4%). Teacher FTE added 42.5 → 45.3 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Greenbrook Elem School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Greenbrook Elem School
466 students
- Spring Wood Mi
Spring Wood Middle School
420 students
- Waterbury Elem
Waterbury Elem School
415 students
What this shows Greenbrook Elem School reports 466 students on the CCD universe file.
How Greenbrook Elem School compares
Greenbrook 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 | 11.1:1 | ▼ 21% | 14:1 | 15.7:1 |
| Enrollment | 466 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.1:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
466
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
11.1:1
students per teacher
- 21% below state mean
Top 19% in Illinois - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
38.2%
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
$20,146
per pupil, district-wide
- above Illinois avg of $18,196
Somewhat 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
33
in-school suspensions + 11 out-of-school
Suspension rate: 7.1 per 100 students. Combined in-school and out-of-school rate: 9.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 53.6%
African American 18.0%
White 13.9%
Asian 8.2%
Two or More 5.6%
American Indian / Alaska Native 0.6%
Largest group: Hispanic or Latino at 53.6% of enrollment.
Student-body diversity index 65.1/100
Simpson diversity index - at 65.1, Greenbrook Elem School is more mixed than the Illinois school average of 38.9.
Programs
Gifted & talented Yes
District finance for Keeneyville Sd 20 reports $20,146 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Greenbrook Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Spring Wood Middle School | Similar size | No free-lunch data | Similar S:T ratio |
| Waterbury Elem School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Greenbrook Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 415
- Students per teacher
- 11.9:1
- Resource Index
- 53/100
Similar other schools in Hanover Park
4 comparable other schools (grades Mixed) serving the same city.
Horizon Elem School
Standard public school
436 students 14.5:1 students per teacher
Ontarioville Elem School
Standard public school
430 students 17.2:1 students per teacher
Laurel Hill Elem School
Standard public school
384 students 15.4:1 students per teacher
Parkwood Elem School
Standard public school
342 students 18:1 students per teacher
Nationwide other 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 (~466 students)
Similar student-teacher ratio (~11.1:1)
Frequently asked questions about Greenbrook Elem School
How many students attend Greenbrook Elem School?
Greenbrook Elem School has 466 students enrolled. It is a public school in Hanover Park, IL. CCD year-over-year: 428 (2022-23) → 451 (2023-24), up 23.
What is the student-teacher ratio at Greenbrook Elem School?
The student-teacher ratio at Greenbrook Elem School is 11.1:1, which is 21% lower than the Illinois average of 14:1 and 29% 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 Greenbrook Elem School?
The largest demographic group at Greenbrook Elem School is Hispanic or Latino at 53.6% of enrollment, in Hanover Park, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.1/100.
What is the Resource Investment Index for Greenbrook Elem School?
Greenbrook Elem School has a Resource Investment Index of 43/100 (typical 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 Greenbrook Elem School rank among schools in Hanover Park?
By Resource Investment Index, Greenbrook Elem School ranks #1 of 5 schools in Hanover Park, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Hanover Park on the city page.
What other schools are in Keeneyville Sd 20?
Besides Greenbrook Elem School, Keeneyville Sd 20 also operates Spring Wood Middle School (420 students) and Waterbury Elem School (415 students). See the Keeneyville Sd 20 district page for the complete list.