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Public School Review - Established 2003

Largest Illinois Public Schools

The average public school in Illinois has approximately 481 students (2026).
The public schools with the largest student enrollments are listed below (where sufficient data available).
The largest public school in Illinois (by enrollment) is Adlai E Stevenson High School, with 4,758 students.
# Students Range: 2,600 4,758 Avg. # Students: 3,236

Largest Illinois Public Schools (2026)

School
(Math and Reading Proficiency)
# Students
Grades
Location
Rank: #11.
Adlai E Stevenson High School
(Math: 73% | Reading: 72%)
Rank:
10/
10
Top 1%
Students: 4,758
Grades: 9-12
1 Stevenson Dr
Lincolnshire, IL 60069
(847) 415-4000
Rank: #22.
Lane Technical High School
(Math: 89% | Reading: 87%)
Rank:
10/
10
Top 1%
Students: 4,604
Grades: 7-12
2501 W Addison St
Chicago, IL 60618
(773) 534-5400
Rank: #33.
Taft High School
(Math: 27% | Reading: 32%)
Rank:
7/
10
Top 50%
Students: 4,487
Grades: 7-12
6530 W Bryn Mawr Ave
Chicago, IL 60631
(773) 534-1000
Rank: #44.
Waukegan High School
(Math: 5% | Reading: 7%)
Rank:
1/
10
Bottom 50%
Students: 4,186
Grades: 9-12
1011 Washington St
Waukegan, IL 60085
(224) 303-3000
Rank: #55.
East High School
(Math: 6% | Reading: 8%)
Rank:
1/
10
Bottom 50%
Students: 4,020
Grades: 9-12
500 Tomcat Ln
Aurora, IL 60505
(630) 299-8000
Rank: #66.
Lyons Twp High School
(Math: 54% | Reading: 49%)
Rank:
10/
10
Top 10%
Students: 3,706
Grades: 9-12
100 S Brainard Ave
La Grange, IL 60525
(708) 579-6300
Rank: #77.
Lockport Township High School East
(Math: 34% | Reading: 33%)
Rank:
7/
10
Top 50%
Students: 3,678
Grades: 9-12
1333 E 7th St
Lockport, IL 60441
(815) 588-8300
Rank: #88.
West Aurora High School
(Math: 16% | Reading: 19%)
Rank:
4/
10
Bottom 50%
Students: 3,641
Grades: 9-12
1201 W New York St
Aurora, IL 60506
(630) 301-5600
Rank: #99.
Evanston Twp High School
(Math: 43% | Reading: 48%)
Rank:
9/
10
Top 20%
Students: 3,560
Grades: 9-12
1600 Dodge Ave
Evanston, IL 60201
(847) 424-7200
Rank: #1010.
Warren Township High School
(Math: 28% | Reading: 32%)
Rank:
7/
10
Top 50%
Students: 3,537
Grades: 9-12
34090 N Almond Rd
Gurnee, IL 60031
(847) 548-6611
Rank: #1111.
Joliet West High School
(Math: 16% | Reading: 21%)
Rank:
4/
10
Bottom 50%
Students: 3,451
Grades: 9-12
401 N Larkin Ave
Joliet, IL 60435
(815) 727-6940
Rank: #1212.
J Sterling Morton East High School
(Math: 8% | Reading: 10%)
Rank:
2/
10
Bottom 50%
Students: 3,394
Grades: 10-12
2423 S Austin Blvd
Cicero, IL 60804
(708) 780-4000
Rank: #1313.
J Sterling Morton West High School
(Math: 10% | Reading: 16%)
Rank:
3/
10
Bottom 50%
Students: 3,374
Grades: 9-12
2400 Home Ave
Berwyn, IL 60402
(708) 780-4100
Rank: #1414.
Oak Park & River Forest High School
(Math: 50% | Reading: 57%)
Rank:
10/
10
Top 10%
Students: 3,307
Grades: 9-12
201 N Scoville Ave
Oak Park, IL 60302
(708) 383-0700
Rank: #1515.
Bolingbrook High School
(Math: 24% | Reading: 22%)
Rank:
5/
10
Bottom 50%
Students: 3,298
Grades: 9-12
365 Raider Way
Bolingbrook, IL 60440
(630) 759-6400
Rank: #1616.
Joliet Central High School
(Math: 8% | Reading: 14%)
Rank:
2/
10
Bottom 50%
Students: 3,295
Grades: 9-12
201 E Jefferson St
Joliet, IL 60432
(815) 727-6740
Rank: #1717.
Curie Metropolitan High School
(Math: 10% | Reading: 10%)
Rank:
2/
10
Bottom 50%
Students: 3,099
Grades: 9-12
4959 S Archer Ave
Chicago, IL 60632
(773) 535-2100
Rank: #1818.
Neuqua Valley High School
(Math: 65% | Reading: 68%)
Rank:
10/
10
Top 5%
Students: 3,018
Grades: 9-12
2360 95th St
Naperville, IL 60564
(630) 428-6000
Rank: #1919.
Glenbrook South High School
(Math: 57% | Reading: 59%)
Rank:
10/
10
Top 10%
Students: 2,923
Grades: 9-12
4000 W Lake Ave
Glenview, IL 60026
(847) 729-2000
Rank: #2020.
Minooka Community High School
(Math: 26% | Reading: 34%)
Rank:
7/
10
Top 50%
Students: 2,918
Grades: 9-12
26655 W Eames St
Channahon, IL 60410
(815) 467-2140
Rank: #2121.
Oswego High School
(Math: 24% | Reading: 33%)
Rank:
7/
10
Top 50%
Students: 2,870
Grades: 9-12
4250 State Route 71
Oswego, IL 60543
(630) 636-2000
Rank: #2222.
Waubonsie Valley High School
(Math: 47% | Reading: 49%)
Rank:
9/
10
Top 20%
Students: 2,849
Grades: 9-12
2590 Ogden Ave
Aurora, IL 60504
(630) 375-3300
Rank: #2323.
Carl Sandburg High School
(Math: 37% | Reading: 42%)
Rank:
8/
10
Top 30%
Students: 2,840
Grades: 9-12
13300 S La Grange Rd
Orland Park, IL 60462
(708) 671-3100
Rank: #2424.
Huntley High School
(Math: 34% | Reading: 46%)
Rank:
8/
10
Top 30%
Students: 2,804
Grades: 9-12
13719 Harmony Rd
Huntley, IL 60142
(847) 659-6600
Rank: #2525.
New Trier Township H S Winnetka
(Math: 71% | Reading: 71%)
Rank:
10/
10
Top 5%
Students: 2,770
Grades: 10-12
385 Winnetka Ave
Winnetka, IL 60093
(847) 446-7000
Rank: #2626.
Metea Valley High School
(Math: 45% | Reading: 51%)
Rank:
9/
10
Top 20%
Students: 2,766
Grades: 9-12
1801 N Eola Rd
Aurora, IL 60502
(630) 375-5900
Rank: #2727.
Oswego East High School
(Math: 36% | Reading: 38%)
Rank:
8/
10
Top 30%
Students: 2,758
Grades: 9-12
1525 Harvey Rd
Oswego, IL 60543
(630) 636-2200
Rank: #2828.
Barrington High School
(Math: 55% | Reading: 54%)
Rank:
10/
10
Top 10%
Students: 2,718
Grades: 9-12
616 W Main St
Barrington, IL 60010
(847) 381-1400
Rank: #2929.
Homewood-flossmoor High School
(Math: 16% | Reading: 24%)
Rank:
4/
10
Bottom 50%
Students: 2,707
Grades: 9-12
999 Kedzie Ave
Flossmoor, IL 60422
(708) 799-3000
Rank: #3030.
Lincoln-way East High School
(Math: 54% | Reading: 52%)
Rank:
10/
10
Top 10%
Students: 2,696
Grades: 9-12
201 Colorado Ave
Frankfort, IL 60423
(815) 464-4130
Rank: #3131.
Wm Fremd High School
(Math: 64% | Reading: 60%)
Rank:
10/
10
Top 5%
Students: 2,689
Grades: 9-12
1000 S Quentin Rd
Palatine, IL 60067
(847) 755-2610
Rank: #3232.
South Elgin High School
(Math: 24% | Reading: 30%)
Rank:
6/
10
Top 50%
Students: 2,665
Grades: 9-12
760 E Main St
South Elgin, IL 60177
(847) 289-3760
Rank: #3333.
Niles West High School
(Math: 34% | Reading: 38%)
Rank:
8/
10
Top 30%
Students: 2,646
Grades: 9-12
5701 Oakton St
Skokie, IL 60077
(847) 626-2510
Rank: #3434.
J B Conant High School
(Math: 55% | Reading: 46%)
Rank:
9/
10
Top 20%
Students: 2,633
Grades: 9-12
700 E Cougar Trl
Hoffman Estates, IL 60169
(847) 755-3610
Rank: #3535.
Belleville High School-east
(Math: 22% | Reading: 27%)
Rank:
6/
10
Top 50%
Students: 2,600
Grades: 9-12
2555 West Blvd
Belleville, IL 62221
(618) 222-3706
Show 100 more public schools in IL (out of 3,831 total schools)
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Frequently Asked Questions

What is the Illinois average public schools student size?
The Illinois average public schools student size is 481 for 2026.
What are the public schools with the largest student size in Illinois?
The best top-ranked public schools in Illinois include Adlai E Stevenson High School, Lane Technical High School and Taft High School.
What is public high school and public elementary school with the largest student size in Illinois?
The public high school with the largest student size in Illinois is Adlai E Stevenson High School, with a value of 4,758. The public elementary school with the largest student size is Woodland Middle School, with a value of 1,541.

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