Largest Illinois Private High Schools

The average private high school in Illinois has 247 students (2021).
The largest private high school in Illinois is American School with 6,319 students.
The private high schools with the largest student enrollments are listed below.

Largest Illinois Private High Schools (2021)

School
# Students
Grades
Location
Rank: #11.
American School
American School Photo
Students: 6,319
Grades: 6-12
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
Rank: #22.
Students: 2,170
Grades: PK-12
1362 E 59th Street
Chicago, IL 60637
(773) 834-1638
Rank: #33.
Loyola Academy
(Roman Catholic)
Students: 2,072
Grades: 9-12
1100 Laramie Ave
Wilmette, IL 60091
(847) 256-1100
Rank: #44.
One World School- Llc
Alternative School (Christian)
Students: 1,914
Grades: 6-12
747 18th Ave
East Moline, IL 61244
(309) 738-0265
Rank: #55.
Marist High School
(Roman Catholic)
Students: 1,780
Grades: 9-12
4200 W 115th St
Chicago, IL 60655
(773) 881-5300
Rank: #66.
St. Ignatius College Prep
(Roman Catholic)
Students: 1,373
Grades: 9-12
1076 West Roosevelt Road
Chicago, IL 60608
(312) 421-5900
Rank: #77.
Benet Academy
(Roman Catholic)
Students: 1,330
Grades: 9-12
2200 Maple Ave
Lisle, IL 60532
(630) 719-2782
Rank: #88.
Fenwick High School
(Roman Catholic)
Students: 1,196
Grades: 9-12
505 Washington Blvd
Oak Park, IL 60302
(708) 386-0127
Rank: #99.
The Latin School Of Chicago
(2)
Students: 1,137
Grades: PK-12
59 W North Blvd
Chicago, IL 60610
(312) 582-6000
Rank: #1010.
Rockford Christian Schools
(Christian)
(2)
Students: 1,111
Grades: PK-12
1401 N Bell School Road
Rockford, IL 61107
(815) 399-3465
Rank: #1111.
Carmel Catholic High School
(Roman Catholic)
(2)
Students: 1,107
Grades: 9-12
1 Carmel Pkwy
Mundelein, IL 60060
(847) 566-3000
Rank: #1212.
Providence Catholic High School
Providence Catholic High School Photo
(Roman Catholic)
(3)
Students: 1,036
Grades: 9-12
1800 W Lincoln Hwy
New Lenox, IL 60451
(815) 485-2136
Rank: #1313.
St. Patrick High School
St. Patrick High School Photo - Founded by the Christian Brothers in 1861, Saint Patrick is Chicago's oldest, all-male Catholic high school. We help all students become lifelong learners and assets to society. Our mandatory drug-testing for all students helps maintain a safe, drug-free learning environment. Call or visit us today and learn why Saint Patrick is the Way to Learn
All-boys (Roman Catholic)
(3)
Students: 1,015
Grades: 9-12
5900 W Belmont Avenue
Chicago, IL 60634
(773) 282-8844
Rank: #1414.
Mother Mcauley Liberal Arts High School
Mother Mcauley Liberal Arts High School Photo
All-girls (Roman Catholic)
Students: 986
Grades: 9-12
3737 W 99th Street
Chicago, IL 60655
(773) 881-6500
Rank: #1515.
Schaumburg Christian School
(Baptist)
(37)
Students: 955
Grades: PK-12
200 N Roselle Road
Schaumburg, IL 60194
(847) 885-3230
Rank: #1616.
St. Viator High School
(Roman Catholic)
Students: 928
Grades: 9-12
1213 E Oakton St
Arlington Heights, IL 60004
(847) 392-4050
Rank: #1717.
Southwest Chicago Christian Schools
(Calvinist)
Students: 912
Grades: PK-12
12001 S Oak Park Ave
Palos Heights, IL 60463
(708) 388-7656
Rank: #1818.
Students: 907
Grades: PK-12
330 W Webster Ave
Chicago, IL 60614
(773) 797-5501
Rank: #1919.
De La Salle Institute - Institute Campus
De La Salle Institute - Institute Campus Photo - De La Salle Institute
(Roman Catholic)
Students: 905
Grades: 9-12
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
Rank: #2020.
Marian Catholic High School
Marian Catholic High School Photo
(Roman Catholic)
(12)
Students: 883
Grades: 9-12
700 Ashland Ave
Chicago Heights, IL 60411
(708) 755-7565
Rank: #2121.
Rockford Boylan Catholic High School
(Roman Catholic)
Students: 855
Grades: 9-12
4000 Saint Francis Dr
Rockford, IL 61103
(815) 877-0531
Rank: #2222.
St. Blase Polish Catholic School
Special Program Emphasis (Roman Catholic)
Students: 817
Grades: PK-12
6101 S 75th Ave
Summit Argo, IL 60501
(708) 458-8772
Rank: #2323.
Christian Life Schools
(Assembly of God)
(2)
Students: 798
Grades: PK-12
5950 Spring Creek Rd
Rockford, IL 61114
(815) 877-2600
Rank: #2424.
Peoria Notre Dame High School
(Roman Catholic)
Students: 777
Grades: 9-12
5105 N Sheridan Road
Peoria, IL 61614
(309) 691-8741
Rank: #25 - 2625. - 26.
Lycee Francais De Chicago
Lycee Francais De Chicago Photo - Our beautiful new outdoor spaces put big smiles on our students' faces!
Special Program Emphasis
(2)
Students: 772
Grades: K-12
1929 W. Wilson Avenue
Chicago, IL 60640
(773) 665-0066
Rank: #25 - 2625. - 26.
Notre Dame College Prep
All-boys (Roman Catholic)
Students: 772
Grades: 9-12
7655 W Dempster Street
Niles, IL 60714
(847) 965-2900
Rank: #2727.
Nazareth Academy
(Roman Catholic)
Students: 750
Grades: 9-12
1209 West Ogden Avenue
La Grange Park, IL 60526
(708) 354-0061
Rank: #2828.
St. Francis High School
(Roman Catholic)
Students: 731
Grades: 9-12
2130 W Roosevelt Rd
Wheaton, IL 60187
(630) 668-5800
Rank: #2929.
Islamic Foundation School
Special Program Emphasis (Islamic)
(4)
Students: 715
Grades: NS-12
300 W Highridge Rd
Villa Park, IL 60181
(630) 941-8800
Rank: #3030.
Joliet Catholic Academy
(Roman Catholic)
Students: 676
Grades: 9-12
1200 N Larkin Ave
Joliet, IL 60435
(815) 741-0500
Rank: #3131.
Brother Rice High School - Chicago
Brother Rice High School - Chicago Photo
All-boys (Roman Catholic)
Students: 671
Grades: 9-12
10001 S Pulaski Rd
Chicago, IL 60655
(773) 429-4300
Rank: #3232.
Wheaton Academy
Wheaton Academy Photo
Alternative School (Christian)
Students: 660
Grades: 9-12
900 Prince Crossing Rd
West Chicago, IL 60185
(630) 562-7500
Rank: #33 - 3433. - 34.
Marian Central Catholic High School
(Roman Catholic)
Students: 655
Grades: 9-12
1001 Mchenry Ave
Woodstock, IL 60098
(815) 338-4220
Rank: #33 - 3433. - 34.
Universal School
Universal School Photo
(Islamic)
Students: 655
Grades: PK-12
7350 W 93rd St
Bridgeview, IL 60455
(708) 599-4100
Rank: #3535.
St. Laurence H.s.
(Roman Catholic)
Students: 650
Grades: 9-12
5556 W 77th St
Burbank, IL 60459
(708) 458-6900
Show 100 more private schools in IL (out of 376 total schools)
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