Adlai E. Stevenson High School, commonly called Stevenson High School, is a four-year public high school located in Lincolnshire, Illinois, United States. It is named after Adlai E. Stevenson II, the 31st Governor of Illinois.
Serving 4,758 students in grades 9-12, Adlai E Stevenson High School ranks in the top 1% of all schools in Illinois for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).
The percentage of students achieving proficiency in math is 73% (which is higher than the Illinois state average of 27%). The percentage of students achieving proficiency in reading/language arts is 72% (which is higher than the Illinois state average of 30%).
The student-teacher ratio of 16:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 59% of the student body (majority Asian), which is higher than the Illinois state average of 55% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 4,758 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 59%
- Graduation Rate: 95% (Top 20% in IL)
- Overall Testing Rank: Top 1%
- Math Proficiency: 73% (Top 1%)
- Reading Proficiency: 72% (Top 5%)
- Science Proficiency: 82% (Top 5%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Adlai E Stevenson High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Adlai E Stevenson High School's student population of 4,758 students has grown by 10% over five school years.
The teacher population of 298 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
4,758 students
Total Classroom Teachers
298 teachers
Year Founded
1965
Colors
Blue and Gold
Campus Size
76 acres
Average Class Size
22 students
School Rankings
Adlai E Stevenson High School ranks within the top 1% of all 3,542 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Adlai E Stevenson High School is 0.63, 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
#29 out of 3542 schools
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
73%
27%
Reading/Language Arts Test Scores (% Proficient)
72%
30%
Science Test Scores (% Proficient)
82%
50%
Student-Teacher Ratio
16:1
13:1
American Indian
n/a
n/a
Asian
44%
6%
Hispanic
9%
29%
Black
2%
16%
White
41%
45%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Graduation Rate
95%
87%
Eligible for Free Lunch
5%
43%
Eligible for Reduced Lunch (11-12)
3%
27%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IL Dept. of Education
Frequently Asked Questions
What is Adlai E Stevenson High School's ranking?
Adlai E Stevenson High School is ranked #29 out of 3,542 schools, which ranks it among the top 1% of public schools in Illinois.
What percent of students have achieved state testing proficiency in math and reading?
73% of students have achieved math proficiency (compared to the 27% IL state average), while 72% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Adlai E Stevenson High School?
The graduation rate of Adlai E Stevenson High School is 95%, which is higher than the Illinois state average of 87%.
How many students attend Adlai E Stevenson High School?
4,758 students attend Adlai E Stevenson High School.
What is the racial composition of the student body?
44% of Adlai E Stevenson High School students are Asian, 41% of students are White, 9% of students are Hispanic, 4% of students are Two or more races, and 2% of students are Black.
What is the student-teacher ratio of Adlai E Stevenson High School?
Adlai E Stevenson High School has a student ration of 16:1, which is higher than the Illinois state average of 13:1.
What grades does Adlai E Stevenson High School offer ?
Adlai E Stevenson High School offers enrollment in grades 9-12
What school district is Adlai E Stevenson High School part of?
Adlai E Stevenson High School is part of Adlai E Stevenson HSD 125 School District.
School Calendar
View the Adlai E Stevenson High School yearly calendar below. Note key dates such as:
Event
Date
First Day of School
August 13, 2026 (Thursday)
Thanksgiving Break (Non-attendance Day)
November 25, 2026 (Wednesday)
Thanksgiving Break (Non-attendance Day)
November 26, 2026 (Thursday)
Thanksgiving Break (Non-attendance Day)
November 27, 2026 (Friday)
School Reviews
Review Adlai E Stevenson High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
