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German International School Chicago Photo - Hooray for 8th Grade Graduates

Best Illinois Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) (2026)

For the 2026 school year, there are 10 private high schools belonging to Independent Schools Association of the Central States (ISACS) serving 4,527 students in Illinois. You can also find more schools membership associations in Illinois.
The top-ranked private high schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois include Lycee Francais De Chicago, Roycemore School, and North Shore Country Day School.
The average tuition cost is $41,704, which is higher than the Illinois private high school average tuition cost of $15,752.
10% of private high schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois are religiously affiliated (most commonly Jewish).

Top-Ranked Private High Schools Belonging to Independent Schools Association of the Central States (ISACS) in Illinois (2026)

School
Location
Quick Facts
The Chicago Academy For The Arts
The Chicago Academy For The Arts Photo - Chicagoland's independent high school for the arts.
Special Program Emphasis
1010 W Chicago Avenue
Chicago, IL 60642
(312) 421-0202
Gr: 9-12 | 137 students Avg. class size: 20 students Extracurrculars: 9 Tuition & acceptance rate listed
German International School Chicago
German International School Chicago Photo - Hooray for 8th Grade Graduates
Special Program Emphasis
(1)
1726 W Berteau Ave
Chicago, IL 60613
(773) 857-3000
Gr: PK-9 | 196 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 18 Tuition listed
Beacon Academy
Beacon Academy Photo
Montessori School
1574 Sherman Avenue
Evanston, IL 60201
(224) 999-1177
Gr: 9-12 | 150 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 20 Tuition listed
Lycee Francais De Chicago
Lycee Francais De Chicago Photo - The Lyce Franais de Chicago is a leading international, multilingual school that helps students grow into well-rounded, active citizens of the world.
Special Program Emphasis
(3)
1929 W. Wilson Avenue
Chicago, IL 60640
(773) 665-0066
Gr: NS-12 | 789 students Avg. class size: 17 students Sports: 14 | Extracurrculars: 18 Tuition listed
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
Gr: PK-12 | 520 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 4 Tuition listed
Rochelle Zell Jewish High School
Rochelle Zell Jewish High School Photo - Check us out on Facebook, Instagram and Twitter
(Jewish)
1095 Lake Cook Road
Deerfield, IL 60015
(847) 324-3708
Gr: 9-12 | 147 students Avg. class size: 16 students Sports: 10 | Extracurrculars: 44 Tuition & acceptance rate listed
Roycemore School
Roycemore School Photo
(14)
1200 Davis Street
Evanston, IL 60201
(847) 866-6055
Gr: PK-12 | 212 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 31 Tuition & acceptance rate listed
1362 E 59th Street
Chicago, IL 60637
(773) 702-9450
Gr: PK-12 | 2,212 students Sports: 12 Tuition & acceptance rate listed
Wolcott College Prep
Wolcott College Prep Photo - Wolcott College Prep (West Town) Chicago
Special Program Emphasis
(1)
524 N. Wolcott Ave.
Chicago, IL 60622
(312) 610-4900
Gr: 9-12 | 134 students Avg. class size: 10 students Sports: 13 | Extracurrculars: 22 Tuition & acceptance rate listed
Brehm Preparatory School
Brehm Preparatory School Photo - Small class sizes provide opportunities for 1:1 educational moments.
Special Education School
(3)
900 S. Brehm Lane
Carbondale, IL 62901
(618) 457-0371
Gr: 6-12 | 30 students Avg. class size: 5 students Sports: 3 | Extracurrculars: 10 Tuition listed

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