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If you could change one rule at Greenbrook Elem School, what would it be?
Community prompt from u/allk12. Replies below.
Enrollment
466
Elementary
DISTRICT 441 · STATE 381
SCHOOL COMMUNITY·KEENEYVILLE SD 20·NCES 172088004682
Greenbrook Elementary School
5208 Arlington Cir, Hanover Park, IL 60133 · (630) 894-4411 · DuPage County
GRADES PK–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL466 STUDENTS
Student : Teacher
10.0:1
46 FTE teachers
DISTRICT 10.2:1 · STATE 13.9:1
Free / Reduced Lunch
74%
347 students
DISTRICT 57% · STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 45 | 10% |
| Kindergarten | 63 | 14% |
| Grade 1 | 71 | 15% |
| Grade 2 | 82 | 18% |
| Grade 3 | 71 | 15% |
| Grade 4 | 72 | 15% |
| Grade 5 | 62 | 13% |
This year's kindergarten class (63) is about the same size as its 5th grade class (62).
Student demographics
65%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 69% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Greenbrook Elementary School→Spring Wood Middle School
Based on grade levels within Keeneyville SD 20. Attendance zones can vary; confirm enrollment with the district.
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
39.1%
IL avg 51.0% . +17.2pp since 2023
Math
26.9%
IL avg 37.9% . +11.8pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 39 of every 100 students at this school read and write at grade level and about 27 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 17 points since 2023, while math scores are up about 12 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 39.1% | 26.9% |
| 2023-24 | 21.9% | 15.1% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
31.6%
composite math + reading, all grades
Predicted
28.5%
based on IL schools with similar FRL share
Beats by
+3.1pp
above demographic expectation
What this means: About 32% of students here test proficient in math and reading, compared with the roughly 29% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Greenbrook Elementary School
Greenbrook Elementary School's state test result (31.6% proficient) is higher than 1 of the 3 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Greenbrook Elementary School this school | 466 | 74.5% | 31.6% |
| Holden Elementary School Chicago | 407 | 71.5% | 41.1% |
| Wm Nashold Early Childhood Center Rockford | 530 | 76.8% | N/A |
| Dr. James Mitchem Erly Chldhd Center Romeoville | 515 | 66.4% | N/A |
| Bernard J Ward Elementary School Bolingbrook | 363 | 77.4% | 37.5% |
| New Field Elementary School Chicago | 541 | 79.9% | 31.4% |
Matched among Illinois elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Greenbrook Elementary School ranks
Among elementary schools| Measure | This school | In Illinois | In DuPage County |
|---|---|---|---|
| State test proficiency ranked highest first | 31.6% | #1,217 of 1,925 | #101 of 112 |
| Math proficiency ranked highest first | 26.9% | #1,393 of 2,077 ▲ 7 | #134 of 141 ▲ 1 |
| Reading proficiency ranked highest first | 39.1% | #1,379 of 2,077 ▲ 124 | #128 of 141 ▼ 1 |
| Enrollment ranked largest first | 466 | #680 of 2,419 | #43 of 163 |
| Students per teacher ranked fewest first | 10.0:1 | #127 of 2,035 | #11 of 146 |
| Diversity index ranked most diverse first | 65.0% | #355 of 2,042 | #29 of 146 |
| Free and reduced lunch ranked highest share first | 74.5% | #644 of 2,132 | #6 of 123 |
| Enrollment change since 2017-18 ranked steepest decline first | -20.3% | #430 of 1,461 | #24 of 92 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
466
-29 (-6%) vs 2020
-25% since 1990-91, when it was 623
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 466 | 46.5 | 10.0:1 | 74% (347) |
| 2023-24 | 451 | 45.3 | 10.0:1 | 76% (342) |
| 2022-23 | 428 | 42.5 | 10.1:1 | 76% (324) |
| 2020-21 | 495 | N/A | N/A | N/A |
| 2017-18 | 585 | 41.7 | 14.1:1 | 63% (368) |
| 2015-16 | 529 | 40 | 13.2:1 | 60% (318) |
| 2010-11 | 483 | 30 | 16.1:1 | 70% (337) |
| 2000-01 | 620 | 38 | 16.3:1 | N/A |
| 1990-91 | 623 | 36 | 17.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Greenbrook Elementary School.
Since 2017-18: students down 20% (585 to 466); teachers up 12% (41.7 to 46.5).
About Greenbrook Elementary School
Greenbrook Elementary School is an elementary school located in Hanover Park, Illinois, in DuPage County. It reported 466 students in pre-K through 5 in 2024-25. Elementary schools in Illinois average about 381 students, which makes this school 22% larger than average.
Keeneyville SD 20 oversees Greenbrook Elementary School and 2 other schools, with 1,301 students in total.
The share of Hispanic students at Greenbrook Elementary School is 54%, a majority. Smaller groups are 18% Black, 14% White, 8% Asian, and 6% multiracial. For comparison, the population of DuPage County is roughly 16% Hispanic. On a 0 to 100 scale, the school's diversity index is 65, compared with 70 nationally.
For every teacher at Greenbrook Elementary School, there are about 10.0 students; the school has 46.5 full-time-equivalent teachers. The average for elementary schools in Illinois is 13.9:1, so this school has fewer students per teacher. There are 347 students eligible for free or reduced-price lunch, 74% of enrollment. For comparison, public schools in DuPage County average 34%.
Greenbrook Elementary School scores 31.6% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 28.5%.
In DuPage County, the median household earns about $112,096 a year, about 52% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. DuPage County has 277 public schools with about 138,557 students, including Greenbrook Elementary School.
Measured in a straight line, Horizon Elementary School is about 0.5 miles from Greenbrook Elementary School. Within five miles are at least 8 other public schools. Among its closest neighbors with test data, Greenbrook Elementary School is 7th of 8 on proficiency.
NCES assigns Greenbrook Elementary School the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Since 2020-21, enrollment has fallen 6%, from 495 to 466.
Anyone can start a thread about fundraisers, report cards, and school supplies at Greenbrook Elementary School. Parents, students, alumni, and staff are welcome to post.
DuPage County at a glance
View full county profilePopulation
930,024
Census ACS
Median income
$112,096
Household, ACS
Bachelor's+
52%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
277
138,557 students
Quick facts
Related schools
Other schools in Keeneyville SD 20
- Spring Wood Middle SchoolMiddle · 420 students
- Waterbury Elementary SchoolElementary · 415 students
- Keeneyville Early Childhood CenterElementary
Other schools in Hanover Park
- Hanover Highlands Elementary SchoolElementary · 543 students
- Albert Einstein Elementary SchoolElementary · 512 students
- Horizon Elementary SchoolElementary · 436 students
- Ontarioville Elementary SchoolElementary · 430 students
- Spring Wood Middle SchoolMiddle · 420 students
- Laurel Hill Elementary SchoolElementary · 384 students
Other Greenbrook Elementary schools
3 other US public schools in 4 states are named Greenbrook Elementary. Greenbrook Elementary School is the 3rd largest of the 4.
- Greenbrook ElementaryDanville, CA · 732 students
- Greenbrook Elementary SchoolSouthaven, MS · 556 students
- Greenbrook Elementary SchoolKENDALL PARK, NJ · 392 students
Nearby schools
- Horizon Elementary School0.5 mi · 436
- Spring Wood Middle School0.6 mi · 420
- Waterbury Elementary School1.5 mi · 415
- Elsie C Johnson Elementary School1.7 mi · 253
- Prairieview Elementary School1.9 mi · 681
- Centennial School1.9 mi · 514
Frequently asked questions
About Greenbrook Elementary SchoolWhat is the total enrollment at Greenbrook Elementary School?
Greenbrook Elementary School enrolls approximately 466 students in grades PK-05.
What grades does Greenbrook Elementary School serve?
Greenbrook Elementary School serves grades PK-05.
How many students per teacher at Greenbrook Elementary School?
Approximately 10.0:1 students per teacher at Greenbrook Elementary School.
What is the racial breakdown of students at Greenbrook Elementary School?
At Greenbrook Elementary School, the student body is approximately 14% White, 54% Hispanic, 18% Black, 8% Asian, 6% Two or more.
What district is Greenbrook Elementary School in?
Greenbrook Elementary School is part of Keeneyville SD 20.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.