The average public high school in Illinois has approximately 849 students (2024).
The public high schools with the largest student enrollments are listed below (where sufficient data available).
The largest public high school in Illinois (by enrollment) is Waukegan High School with 4,564 students.
# Students Range: 2,687
4,564
Avg. # Students: 3,343
Largest Illinois Public High Schools (2024)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
# Students
Grades
Location
Rank: #11.
Waukegan High School
(Math: 5% | Reading: 6%)
Rank:
Rank:
1/
Bottom 50%10
Students: 4,564
Grades: 9-12
2325 Brookside Ave
Waukegan, IL 60085
(224) 303-3000
Waukegan, IL 60085
(224) 303-3000
Rank: #22.
Adlai E Stevenson High School
(Math: 72% | Reading: 73%)
Rank:
Rank:
10/
Top 1%10
Students: 4,392
Grades: 9-12
1 Stevenson Dr
Lincolnshire, IL 60069
(847) 415-4000
Lincolnshire, IL 60069
(847) 415-4000
Rank: #33.
Lane Technical High School
(Math: 82% | Reading: 84%)
Rank:
Rank:
10/
Top 1%10
Students: 4,330
Grades: 7-12
2501 W Addison St
Chicago, IL 60618
(773) 534-5400
Chicago, IL 60618
(773) 534-5400
Rank: #44.
Taft High School
(Math: 25% | Reading: 30%)
Rank:
Rank:
6/
Top 50%10
Students: 4,289
Grades: 7-12
6530 W Bryn Mawr Ave
Chicago, IL 60631
(773) 534-1000
Chicago, IL 60631
(773) 534-1000
Rank: #55.
East High School
(Math: 8% | Reading: 12%)
Rank:
Rank:
3/
Bottom 50%10
Students: 4,193
Grades: 9-12
500 Tomcat Ln
Aurora, IL 60505
(630) 299-8000
Aurora, IL 60505
(630) 299-8000
Rank: #66.
Lyons Twp High School
(Math: 49% | Reading: 53%)
Rank:
Rank:
9/
Top 20%10
Students: 3,967
Grades: 9-12
100 S Brainard Ave
La Grange, IL 60525
(708) 579-6300
La Grange, IL 60525
(708) 579-6300
Rank: #77.
West Aurora High School
(Math: 19% | Reading: 23%)
Rank:
Rank:
5/
Bottom 50%10
Students: 3,877
Grades: 9-12
1201 W New York St
Aurora, IL 60506
(630) 301-5600
Aurora, IL 60506
(630) 301-5600
Rank: #88.
Warren Township High School
(Math: 34% | Reading: 43%)
Rank:
Rank:
8/
Top 30%10
Students: 3,829
Grades: 9-12
34090 N Almond Rd
Gurnee, IL 60031
(847) 548-6611
Gurnee, IL 60031
(847) 548-6611
Rank: #99.
Lockport Township High Sch East
(Math: 35% | Reading: 38%)
Rank:
Rank:
8/
Top 30%10
Students: 3,818
Grades: 9-12
1333 E 7th St
Lockport, IL 60441
(815) 588-8300
Lockport, IL 60441
(815) 588-8300
Rank: #1010.
Evanston Twp High School
(Math: 47% | Reading: 52%)
Rank:
Rank:
9/
Top 20%10
Students: 3,727
Grades: 9-12
1600 Dodge Ave
Evanston, IL 60201
(847) 424-7200
Evanston, IL 60201
(847) 424-7200
Rank: #1111.
J Sterling Morton West High School
(Math: 11% | Reading: 17%)
Rank:
Rank:
3/
Bottom 50%10
Students: 3,617
Grades: 9-12
2400 Home Ave
Berwyn, IL 60402
(708) 780-4100
Berwyn, IL 60402
(708) 780-4100
Rank: #1212.
Joliet West High School
(Math: 19% | Reading: 25%)
Rank:
Rank:
5/
Bottom 50%10
Students: 3,550
Grades: 9-12
401 N Larkin Ave
Joliet, IL 60435
(815) 727-6940
Joliet, IL 60435
(815) 727-6940
Rank: #1313.
Joliet Central High School
(Math: 12% | Reading: 16%)
Rank:
Rank:
3/
Bottom 50%10
Students: 3,408
Grades: 9-12
201 E Jefferson St
Joliet, IL 60432
(815) 727-6740
Joliet, IL 60432
(815) 727-6740
Rank: #1414.
Oak Park & River Forest High School
(Math: 52% | Reading: 62%)
Rank:
Rank:
10/
Top 5%10
Students: 3,383
Grades: 9-12
201 N Scoville Ave
Oak Park, IL 60302
(708) 383-0700
Oak Park, IL 60302
(708) 383-0700
Rank: #1515.
Bolingbrook High School
(Math: 23% | Reading: 29%)
Rank:
Rank:
6/
Top 50%10
Students: 3,381
Grades: 9-12
365 Raider Way
Bolingbrook, IL 60440
(630) 759-6400
Bolingbrook, IL 60440
(630) 759-6400
Rank: #1616.
J Sterling Morton East High School
(Math: 7% | Reading: 11%)
Rank:
Rank:
2/
Bottom 50%10
Students: 3,362
Grades: 10-12
2423 S Austin Blvd
Cicero, IL 60804
(708) 780-4000
Cicero, IL 60804
(708) 780-4000
Rank: #1717.
Neuqua Valley High School
(Math: 63% | Reading: 68%)
Rank:
Rank:
10/
Top 5%10
Students: 3,297
Grades: 9-12
2360 95th St
Naperville, IL 60564
(630) 428-6000
Naperville, IL 60564
(630) 428-6000
Rank: #1818.
Curie Metropolitan High School
(Math: 9% | Reading: 10%)
Rank:
Rank:
2/
Bottom 50%10
Students: 3,219
Grades: 9-12
4959 S Archer Ave
Chicago, IL 60632
(773) 535-2100
Chicago, IL 60632
(773) 535-2100
Rank: #1919.
Glenbrook South High School
(Math: 60% | Reading: 63%)
Rank:
Rank:
10/
Top 5%10
Students: 3,080
Grades: 9-12
4000 W Lake Ave
Glenview, IL 60026
(847) 729-2000
Glenview, IL 60026
(847) 729-2000
Rank: #2020.
Huntley High School
(Math: 45% | Reading: 50%)
Rank:
Rank:
9/
Top 20%10
Students: 3,024
Grades: 9-12
13719 Harmony Rd
Huntley, IL 60142
(847) 659-6600
Huntley, IL 60142
(847) 659-6600
Rank: #2121.
Metea Valley High School
(Math: 53% | Reading: 55%)
Rank:
Rank:
10/
Top 5%10
Students: 2,996
Grades: 9-12
1801 N Eola Rd
Aurora, IL 60502
(630) 375-5900
Aurora, IL 60502
(630) 375-5900
Rank: #2222.
New Trier Township H S Winnetka
(Math: 76% | Reading: 80%)
Rank:
Rank:
10/
Top 1%10
Students: 2,995
Grades: 10-12
385 Winnetka Ave
Winnetka, IL 60093
(847) 446-7000
Winnetka, IL 60093
(847) 446-7000
Rank: #2323.
Carl Sandburg High School
(Math: 41% | Reading: 45%)
Rank:
Rank:
9/
Top 20%10
Students: 2,954
Grades: 9-12
13300 S La Grange Rd
Orland Park, IL 60462
(708) 671-3100
Orland Park, IL 60462
(708) 671-3100
Rank: #2424.
South Elgin High School
(Math: 32% | Reading: 33%)
Rank:
Rank:
7/
Top 50%10
Students: 2,942
Grades: 9-12
760 E Main St
South Elgin, IL 60177
(847) 289-3760
South Elgin, IL 60177
(847) 289-3760
Rank: #2525.
Oswego High School
(Math: 29% | Reading: 36%)
Rank:
Rank:
7/
Top 50%10
Students: 2,913
Grades: 9-12
4250 State Route 71
Oswego, IL 60543
(630) 636-2009
Oswego, IL 60543
(630) 636-2009
Rank: #2626.
Oswego East High School
(Math: 35% | Reading: 40%)
Rank:
Rank:
8/
Top 30%10
Students: 2,907
Grades: 9-12
1525 Harvey Rd
Oswego, IL 60543
(630) 636-3489
Oswego, IL 60543
(630) 636-3489
Rank: #2727.
Minooka Community High School
(Math: 28% | Reading: 36%)
Rank:
Rank:
7/
Top 50%10
Students: 2,902
Grades: 9-12
301 S Wabena Ave
Minooka, IL 60447
(815) 467-2140
Minooka, IL 60447
(815) 467-2140
Rank: #28 - 2928. - 29.
Barrington High School
(Math: 61% | Reading: 59%)
Rank:
Rank:
10/
Top 5%10
Students: 2,834
Grades: 9-12
616 W Main St
Barrington, IL 60010
(847) 381-1400
Barrington, IL 60010
(847) 381-1400
Rank: #28 - 2928. - 29.
Elgin High School
(Math: 14% | Reading: 15%)
Rank:
Rank:
3/
Bottom 50%10
Students: 2,834
Grades: 9-12
1200 Maroon Dr
Elgin, IL 60120
(847) 888-5100
Elgin, IL 60120
(847) 888-5100
Rank: #3030.
Homewood-flossmoor High School
(Math: 21% | Reading: 27%)
Rank:
Rank:
6/
Top 50%10
Students: 2,789
Grades: 9-12
999 Kedzie Ave
Flossmoor, IL 60422
(708) 799-3000
Flossmoor, IL 60422
(708) 799-3000
Rank: #3131.
York Comm High School
(Math: 54% | Reading: 53%)
Rank:
Rank:
10/
Top 10%10
Students: 2,776
Grades: 9-12
355 W Saint Charles Rd
Elmhurst, IL 60126
(630) 617-2400
Elmhurst, IL 60126
(630) 617-2400
Rank: #3232.
Lincoln-way East High School
(Math: 46% | Reading: 53%)
Rank:
Rank:
9/
Top 20%10
Students: 2,736
Grades: 9-12
201 Colorado Ave
Frankfort, IL 60423
(815) 464-4130
Frankfort, IL 60423
(815) 464-4130
Rank: #3333.
Comm H S Dist 99 - South High School
(Math: 41% | Reading: 41%)
Rank:
Rank:
8/
Top 30%10
Students: 2,729
Grades: 9-12
1436 Norfolk St
Downers Grove, IL 60516
(630) 795-8500
Downers Grove, IL 60516
(630) 795-8500
Rank: #3434.
Wm Fremd High School
(Math: 59% | Reading: 61%)
Rank:
Rank:
10/
Top 5%10
Students: 2,698
Grades: 9-12
1000 S Quentin Rd
Palatine, IL 60067
(847) 755-2610
Palatine, IL 60067
(847) 755-2610
Rank: #3535.
Rich Township High School
(Math: 5% | Reading: 12%)
Rank:
Rank:
2/
Bottom 50%10
Students: 2,687
Grades: 9-12
3600 W 203rd St
Olympia Fields, IL 60461
(708) 679-5600
Olympia Fields, IL 60461
(708) 679-5600
Show 100 more public schools in IL (out of 726 total schools)
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Frequently Asked Questions
What is the Illinois average public high schools student size?
The Illinois average public high schools student size is 849 for 2024.
What are the public high schools with the largest student size in Illinois?
The best top ranked public high schools in Illinois include Waukegan High School, Adlai E Stevenson High School and Lane Technical High School.
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