Lisle High School is a public four-year high school located in Lisle, Illinois, a western suburb of Chicago, Illinois, in the United States. It is part of Lisle Community Unit School District 202.
Serving 447 students in grades 9-12, Lisle High School ranks in the top 20% of all schools in Illinois for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 11:1 is lower than the Illinois state level of 13:1.
Minority enrollment is 46% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 447 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 46%
- Graduation Rate: 90-94% (Top 20% in IL)
- Overall Testing Rank: Top 20%
- Math Proficiency: 45-49% (Top 20%)
- Reading Proficiency: 40-44% (Top 30%)
- Science Proficiency: 65-69% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Lisle High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Science Proficiency
Graduation Rate
Student Attention
School Overview
Lisle High School's student population of 447 students has stayed relatively flat over five school years.
The teacher population of 40 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
447 students
Total Classroom Teachers
40 teachers
Year Founded
1956
Colors
White, Navy Blue
School Motto
Rigor, Relevance, Passion and Purpose
School Rankings
Lisle High School ranks within the top 20% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Lisle High School is 0.64, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#586 out of 3542 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45-49%
27%
Reading/Language Arts Test Scores (% Proficient)
40-44%
30%
Science Test Scores (% Proficient)
65-69%
50%
Student-Teacher Ratio
11:1
13:1
Asian
6%
6%
Hispanic
23%
29%
Black
10%
16%
White
54%
45%
Two or more races
7%
4%
All Ethnic Groups
Graduation Rate
90-94%
87%
Eligible for Free Lunch
23%
43%
Eligible for Reduced Lunch
7%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Lisle High School's ranking?
Lisle High School is ranked #586 out of 3,542 schools, which ranks it among the top 20% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 27% IL state average), while 40-44% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Lisle High School?
The graduation rate of Lisle High School is 90-94%, which is higher than the Illinois state average of 87%.
How many students attend Lisle High School?
447 students attend Lisle High School.
What is the racial composition of the student body?
54% of Lisle High School students are White, 23% of students are Hispanic, 10% of students are Black, 7% of students are Two or more races, and 6% of students are Asian.
What is the student-teacher ratio of Lisle High School?
Lisle High School has a student ration of 11:1, which is lower than the Illinois state average of 13:1.
What grades does Lisle High School offer ?
Lisle High School offers enrollment in grades 9-12
What school district is Lisle High School part of?
Lisle High School is part of Lisle CUSD 202 School District.
School Calendar
View the Lisle High School yearly calendar below. Note key dates such as:
Event
Date
First Day of School - Full Day
August 13, 2026 (Thursday)
Thanksgiving Break
November 25, 2026 (Wednesday)
Thanksgiving Break
November 26, 2026 (Thursday)
Thanksgiving Break
November 27, 2026 (Friday)
Spring Break
March 29, 2027 (Monday)
School Reviews
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