Serving 1,305 students in grades 9-12, Lemont Twp 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 46% (which is higher than the Illinois state average of 28%). The percentage of students achieving proficiency in reading/language arts is 47% (which is higher than the Illinois state average of 30%).
The student:teacher ratio of 15:1 is higher than the Illinois state level of 13:1.
Minority enrollment is 21% of the student body (majority Hispanic), which is lower than the Illinois state average of 55% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,305 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 21%
- Graduation Rate: 93% (Top 20% in IL)
- Overall Testing Rank: Top 20%
- Math Proficiency: 46% (Top 20%)
- Reading Proficiency: 47% (Top 20%)
- Science Proficiency: 74% (Top 20%)
- Source: National Center for Education Statistics (NCES), IL Dept. of Education
Top Rankings
Lemont Twp High School ranks among the top 20% of public schools in Illinois for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Lemont Twp High School's student population of 1,305 students has stayed relatively flat over five school years.
The teacher population of 89 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
Total Students
1,305 students
Gender %
Total Classroom Teachers
89 teachers
School Rankings
Lemont Twp High School ranks within the top 20% of all 3,426 schools in Illinois (based off of combined math and reading proficiency testing data).
The diversity score of Lemont Twp High School is 0.36, 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
#420 out of 3426 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
(20-21)46%
28%
Reading/Language Arts Test Scores (% Proficient)
47%
30%
Science Test Scores (% Proficient)
74%
50%
Student : Teacher Ratio
15:1
13:1
American Indian
n/a
1%
Asian
5%
6%
Hispanic
12%
28%
Black
1%
16%
White
79%
45%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
93%
87%
Eligible for Free Lunch
11%
43%
Eligible for Reduced Lunch
2%
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 Lemont Twp High School's ranking?
Lemont Twp High School is ranked #420 out of 3,426 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?
46% of students have achieved math proficiency (compared to the 28% IL state average), while 47% of students have achieved reading proficiency (compared to the 30% IL state average).
What is the graduation rate of Lemont Twp High School?
The graduation rate of Lemont Twp High School is 93%, which is higher than the Illinois state average of 87%.
How many students attend Lemont Twp High School?
1,305 students attend Lemont Twp High School.
What is the racial composition of the student body?
79% of Lemont Twp High School students are White, 12% of students are Hispanic, 5% of students are Asian, 3% of students are Two or more races, and 1% of students are Black.
What is the student:teacher ratio of Lemont Twp High School?
Lemont Twp High School has a student ration of 15:1, which is higher than the Illinois state average of 13:1.
What grades does Lemont Twp High School offer ?
Lemont Twp High School offers enrollment in grades 9-12
What school district is Lemont Twp High School part of?
Lemont Twp High School is part of Lemont TWP HSD 210 School District.
School Reviews
5 5/1/2020
Lemont high school is truly a home away from home.
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