Serving 1,952 students in grades 9-12, Willowbrook High School ranks in the top 50% of all schools in Illinois for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 34% (which is higher than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 28% (which is lower than the Illinois state average of 30%).
The student:teacher ratio of 17:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 58% of the student body (majority Hispanic), which is higher than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,952 students
- Student:Teacher Ratio: 17:1
- Minority Enrollment: 58%
- Graduation Rate: 91% (Top 50% in IL)
- Overall Testing Rank: Top 50%
- Math Proficiency: 34% (Top 30%)
- Reading Proficiency: 28% (Top 50%)
- Science Proficiency: 36% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Willowbrook High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Diversity
School Overview
Willowbrook High School's student population of 1,952 students has stayed relatively flat over five school years.
The teacher population of 116 teachers has stayed relatively flat over five school years.
School Mascot
Willy The Warrior
Grades Offered
Grades 9-12
Total Students
1,952 students
Gender %
Total Classroom Teachers
116 teachers
Year Founded
1959
School Colors
Silver, Columbia blue
School Rankings
Willowbrook High School ranks within the top 50% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Willowbrook High School is 0.68, 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
#1167 out of 3426 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
(20-21)34%
28%
Reading/Language Arts Test Scores (% Proficient)
28%
30%
Science Test Scores (% Proficient)
36%
50%
Student : Teacher Ratio
17:1
13:1
American Indian
n/a
1%
Asian
9%
6%
Hispanic
36%
28%
Black
9%
16%
White
42%
45%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Graduation Rate
91%
87%
Eligible for Free Lunch
35%
43%
Eligible for Reduced Lunch
9%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Willowbrook High School's ranking?
Willowbrook High School is ranked #1167 out of 3,426 schools, which ranks it among the top 50% of public schools in Illinois.
What schools are Willowbrook High School often compared to?
Willowbrook High Schoolis often viewed alongside schools like York Comm High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
34% of students have achieved math proficiency (compared to the 28% IL state average), while 28% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Willowbrook High School?
The graduation rate of Willowbrook High School is 91%, which is higher than the Illinois state average of 87%.
How many students attend Willowbrook High School?
1,952 students attend Willowbrook High School.
What is the racial composition of the student body?
42% of Willowbrook High School students are White, 36% of students are Hispanic, 9% of students are Asian, 9% of students are Black, and 4% of students are Two or more races.
What is the student:teacher ratio of Willowbrook High School?
Willowbrook High School has a student ration of 17:1, which is higher than the Illinois state average of 13:1.
What grades does Willowbrook High School offer ?
Willowbrook High School offers enrollment in grades 9-12
What school district is Willowbrook High School part of?
Willowbrook High School is part of Dupage HSD 88 School District.
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