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Schools›Illinois›La Grange
SCHOOL COMMUNITY·LYONS TWP HSD 204·NCES 172388002601

Lyons Twp High School

100 S Brainard Ave, La Grange, IL 60525 · (708) 579-6300 · Cook County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL3,706 STUDENTS
Enrollment
3,706
High
STATE 834
Student : Teacher
13.9:1
267 FTE teachers
STATE 13.8:1
Free / Reduced Lunch
,
Title I proxy
STATE 56%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 987524%
Grade 1087424%
Grade 1195726%
Grade 121,00027%
Student demographics
52%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 69% · US 70%
White
2,36064%
STATE 45% · US 43%
Hispanic
99027%
STATE 29% · US 30%
Black
1253%
STATE 16% · US 15%
Asian
892%
STATE 6% · US 6%
Two+
1344%
STATE 5% · US 5%
Native American
20%
STATE 0% · US 1%
Pacific Islander
20%
STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,92052%
Female
1,78248%

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Where Lyons Twp High School ranks

Among high schools
MeasureThis schoolIn IllinoisIn Cook County
Enrollment
ranked largest first
3,706#6 of 708#3 of 206
Students per teacher
ranked fewest first
13.9:1#230 of 528#61 of 173
Diversity index
ranked most diverse first
51.9%#168 of 537#61 of 180
Enrollment change since 2017-18
ranked steepest decline first
-7.4%#214 of 358#60 of 101
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
3,706
-331 (-8%) vs 2020
+161% since 1990-91, when it was 1,419
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-253,706266.813.9:1N/A
2023-243,767267.314.1:1N/A
2022-233,842256.215.0:1N/A
2020-214,037N/AN/AN/A
2017-184,000249.116.1:112% (489)
2015-163,98525415.7:116% (637)
2010-113,81724315.7:10% (0)
2000-013,28321015.6:1N/A
1990-911,4199115.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Lyons Twp High School.

Since 2017-18: students down 7% (4,000 to 3,706); teachers up 7% (249.1 to 266.8).

About Lyons Twp High School

Lyons Twp High School operates as a high-enrollment high school in La Grange, Illinois. Federal data show 3,706 students enrolled in grades 9 through 12 in 2024-25. That compares with an average of about 834 students for high schools in Illinois.

Lyons Twp High School reports to Lyons Twp HSD 204.

The share of White students at Lyons Twp High School is 64%, a majority. After that, the student body is 27% Hispanic, 4% multiracial, 3% Black, and 2% Asian. Census figures show Cook County is about 44% White. A diversity index of 52% means there is a 52% chance two randomly chosen students at Lyons Twp High School are from different groups.

Lyons Twp High School has 266.8 full-time-equivalent teachers, for a student-to-teacher ratio of about 13.9:1. The ratio is within a point of the 13.8:1 average for high schools in Illinois.

In the wider Cook County area, the median household earns about $83,498 a year, a bachelor's degree or higher is held by about 43% of adults, and the share of residents below the poverty line is 10%. Lyons Twp High School shares Cook County with 1,405 other public schools.

Cossitt Ave Elementary School is the nearest public school to Lyons Twp High School, about 0.5 miles away. Lyons Twp High School is one of several public schools in the area, with at least 8 others within five miles.

The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Since 2020-21, enrollment has fallen 8%, from 4,037 to 3,706.

This community page is for conversations about athletics, class schedules, and weather closures. You can also rate the school on this page.

Cook County at a glance

View full county profile
Population
5,182,090
Census ACS
Median income
$83,498
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
1,406
697,934 students

Quick facts

School name
Lyons Twp High School
District
Lyons Twp HSD 204
Address
100 S Brainard Ave, La Grange, IL 60525
Phone
(708) 579-6300
County
Cook County
Level
High
Grade range
09–12
Total enrollment
3,706
Teachers (FTE)
267
Student–teacher ratio
13.9:1
Locale
21-Suburb: Large
NCES ID
172388002601
Charter school
No
Virtual school
No

Related schools

Other schools in La Grange
Nearby schools

Frequently asked questions

About Lyons Twp High School
What is the total enrollment at Lyons Twp High School?
Lyons Twp High School enrolls approximately 3,706 students in grades 09-12.
What grades does Lyons Twp High School serve?
Lyons Twp High School serves grades 09-12.
How many teachers does Lyons Twp High School have?
Lyons Twp High School employs 267 FTE teachers, for a student-to-teacher ratio of 13.9:1.
What is the student diversity at Lyons Twp High School?
Student demographics at Lyons Twp High School are roughly 64% White, 27% Hispanic, 3% Black, 2% Asian, 4% Two or more.
Is Lyons Twp High School public or private?
Lyons Twp High School is a public K-12 school, overseen by Lyons Twp HSD 204.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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