At a glance
Reported students
466
NCES CCD 2024–25
Teachers (FTE)
46.45
NCES CCD 2024–25
Student–teacher ratio
10:1
Calculated; not a class-size measure
Grades served
KG–05
NCES preliminary directory 2025–26
School benchmarks
Illinois elementary enrollment
71st percentile
Compared with 2,323 same-level schools reporting enrollment.
District median enrollment
417.5
Greenbrook Elem School: 466 reported students.
State peer staffing position
10th percentile
10:1 reported; state peer median 13.1:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 452
- Teachers (FTE)
- 48.5
- Student–teacher ratio
- 9.3:1
What the reported data says about Greenbrook Elem School
Greenbrook Elem School is a public elementary school serving grades KG–05 in Hanover Park. It is one of 4 current school records connected to Keeneyville SD 20. NCES reports 466 students for 2024–25.
Among 2,323 elementary schools in Illinois with comparable records, this school is larger than the reported median of 365 students. Its enrollment is at approximately the 71st percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 10:1, below the Illinois median of 13.1:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are Hispanic or Latino (53.6%) and Black (18%). English learners represent 36.5% of enrollment. Students served under IDEA represent 20.4%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports gifted and talented programming. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Greenbrook Elem School
- 1How do the reported 10:1 student–teacher ratio and 46.45 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 0 counselor FTE in 2021–22.
- 4What meal assistance, transportation, after-school, and family-support services are currently available?
Enrollment needs
- English learners
- 36.5%
- Students with disabilities
- 20.4%
- Free/reduced-price lunch
- 74.5%
- Lunch program
- Yes participating without using any Provision or the CEO
Reported support staff
- Counselors (FTE)
- 0
- Nurses (FTE)
- 0
- Psychologists (FTE)
- 0.5
- Social workers (FTE)
- 2
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White13.9%
- Hispanic53.6%
- Black18%
- Asian8.2%
- American Indian / Alaska Native0.6%
- Native Hawaiian / Pacific Islander0%
- Multiracial5.6%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Keeneyville SD 20
Start with campuses at the same school level or with similar reported enrollment.
Waterbury Elem School
Elementary · Grades KG–05
415 reported students
Spring Wood Middle School
Middle · Grades 06–08
420 reported students
Keeneyville Early Childhood Center
Other · Grades PK–PK
0 reported students
Public schools near Greenbrook Elem School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Horizon Elem School Elementary · SD U-46 | PK–06 | 436 | 0.5 mi |
| Waterbury Elem School Elementary · Keeneyville SD 20 | KG–05 | 415 | 1.5 mi |
| Elsie C Johnson Elem Sch Elementary · CCSD 93 | KG–05 | 253 | 1.7 mi |
| Prairieview Elementary School Elementary · SD U-46 | KG–06 | 681 | 1.9 mi |
| Centennial School Elementary · SD U-46 | KG–06 | 514 | 1.9 mi |
| Foundations-Raymond Benson Primary-Itasca SD 10 Elementary · North DuPage Sp Ed Cooperative | PK–02 | — | 1.9 mi |
Frequently asked questions about Greenbrook Elem School
What grades does Greenbrook Elem School serve?
Greenbrook Elem School reports grades KG–05 in the NCES 2025–26 preliminary directory. It is classified as an elementary school in Keeneyville SD 20.
How many students attend Greenbrook Elem School?
Greenbrook Elem School reported 466 students in the NCES 2024–25 membership file. That places it near the 71st percentile among 2,323 Illinois elementary schools reporting enrollment. The 2021–22 civil-rights collection recorded 452 students.
What is the student–teacher ratio at Greenbrook Elem School?
The calculated ratio is 10:1, based on 466 students and 46.45 full-time-equivalent classroom teachers in 2024–25. The Illinois median for the same school level is 13.1:1. A ratio is not the same as average class size.
Is Greenbrook Elem School a public, charter, or magnet school?
Greenbrook Elem School is a public school and is not a charter school. Enrollment is generally based on Keeneyville SD 20 attendance boundaries and transfer rules.
What share of Greenbrook Elem School students qualify for free or reduced-price meals?
74.5% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.
Which school district is Greenbrook Elem School in?
Greenbrook Elem School is part of Keeneyville SD 20, based in Hanover Park, IL, which operates 4 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Greenbrook Elem School?
The closest public schools by straight-line distance include Horizon Elem School (0.5 mi), Waterbury Elem School (1.5 mi), Elsie C Johnson Elem Sch (1.7 mi). Distance does not determine eligibility; attendance boundaries and program rules do.