Serving 466 students in grades Prekindergarten-5, Greenbrook Elementary School ranks in the bottom 50% of all schools in Illinois for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 15% (which is lower than the Illinois state average of 30%).
The student-teacher ratio of 10:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 86% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Facts (26-27)
- Grades: Prekindergarten-5
- Enrollment: 466 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 86%
- Overall Testing Rank: Bottom 50% in IL
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 15% (Btm 50%)
- Science Proficiency: 20-24% (Btm 50%)
- Attendance Zone: Greenbrook Elementary School serves a central area in Hanover Park, IL, encompassing approximately 1.9 square miles. Families within this zone can typically expect a short drive of 5-10 minutes to the school, with the furthest point being about 1.6 miles away.
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
School Overview
Greenbrook Elementary School's student population of 466 students has declined by 5% over five school years.
The teacher population of 46 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
Total Students
466 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
46 teachers
Showing 2015–2025. Full 39-year historical data available below ↓
School Motto
Ignite the power and potential of each student
School Rankings
Greenbrook Elementary School ranks within the bottom 50% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Greenbrook Elementary School is 0.65, which is less than the diversity score at state average of 0.70. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2394 out of 3542 schools
(Bottom 50%)
(Bottom 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
15-19%
27%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
15%
30%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
20-24%
50%
Student-Teacher Ratio
10:1
13:1
Showing 2015–2025. Full 39-year historical data available below ↓
American Indian
1%
n/a
Asian
8%
6%
Showing 2016–2025. Full 38-year historical data available below ↓
Hispanic
54%
29%
Showing 2016–2025. Full 38-year historical data available below ↓
Black
18%
16%
Showing 2016–2025. Full 38-year historical data available below ↓
White
14%
45%
Showing 2016–2025. Full 38-year historical data available below ↓
Two or more races
5%
4%
Showing 2016–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)27.7%
29.7%
Eligible for Free Lunch
53%
43%
Showing 2015–2025. Full 20-year historical data available below ↓
Eligible for Reduced Lunch (10-11)
7%
5%
School Statewide Testing
School District Name
Sports
Colors
Green and Gold
School Mascot
Gators
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Greenbrook Elementary School's ranking?
Greenbrook Elementary School is ranked #2394 out of 3,542 schools, which ranks it among the bottom 50% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 27% IL state average), while 15% of students have achieved reading proficiency (compared to the 30% IL state average).
How many students attend Greenbrook Elementary School?
466 students attend Greenbrook Elementary School.
What is the racial composition of the student body?
54% of Greenbrook Elementary School students are Hispanic, 18% of students are Black, 14% of students are White, 8% of students are Asian, 5% of students are Two or more races, and 1% of students are American Indian.
What is the student-teacher ratio of Greenbrook Elementary School?
Greenbrook Elementary School has a student ration of 10:1, which is lower than the Illinois state average of 13:1.
What grades does Greenbrook Elementary School offer ?
Greenbrook Elementary School offers enrollment in grades Prekindergarten-5
What school district is Greenbrook Elementary School part of?
Greenbrook Elementary School is part of Keeneyville SD 20 School District.
School Calendar
View the Greenbrook Elementary School yearly calendar below. Note key dates such as:
Event
Date
Thanksgiving Break
November 23, 2026 (Monday)
Thanksgiving Break
November 24, 2026 (Tuesday)
Thanksgiving Break - School Closed
November 25, 2026 (Wednesday)
Thanksgiving Break
November 26, 2026 (Thursday)
Thanksgiving Break
November 27, 2026 (Friday)
School Reviews
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