For the 2025-26 school year, there are 8 private schools belonging to International Baccalaureate (IB) World School serving 2,538 students in Illinois. You can also find more schools membership associations in Illinois.
The top-ranked private schools belonging to International Baccalaureate (IB) World School in Illinois include British International School of Chicago-South Loop, St. Matthias School, and Daystar Academy.
The average acceptance rate is 92%, which is higher than the Illinois private school average acceptance rate of 84%.
Top-Ranked Private Schools Belonging to International Baccalaureate (IB) World School in Illinois (2025-26)
School
Location
Quick Facts
1726 W Berteau Ave
Chicago, IL 60613
(773) 857-3000
Chicago, IL 60613
(773) 857-3000
Gr: PK-8 | 199 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 18 Tuition listed
Beacon Academy![Beacon Academy Photo Beacon Academy Photo]()

Montessori School
1574 Sherman Avenue
Evanston, IL 60201
(224) 999-1177
Evanston, IL 60201
(224) 999-1177
Gr: 9-12 | 150 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 20 Tuition listed
161 West 9th Street
Chicago, IL 60605
(773) 998-2472
Chicago, IL 60605
(773) 998-2472
Gr: NS-12 | 799 students Avg. class size: 15 students Sports: 12 Tuition & acceptance rate listed
1550 S State St
Chicago, IL 60605
(312) 791-0001
Chicago, IL 60605
(312) 791-0001
Gr: PK-12 | 301 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 8 Tuition & acceptance rate listed
350 E. South Water Street
Chicago, IL 60601
(312) 809-8900
Chicago, IL 60601
(312) 809-8900
Gr: PK-8 | 343 students Avg. class size: 18 students Sports: 4
2515 Palatine Rd
Palatine, IL 60067
(847) 907-3452
Palatine, IL 60067
(847) 907-3452
Gr: NS-8 | 501 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 6 Tuition listed
4910 N Claremont Ave
Chicago, IL 60625
(773) 784-0999
Chicago, IL 60625
(773) 784-0999
Gr: PK-8 | 245 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 9 Tuition listed
2711 W Willow Knolls Dr
Peoria, IL 61614
(309) 692-7570
Peoria, IL 61614
(309) 692-7570
Gr: PK-8 Avg. class size: 13 students Sports: 8 | Extracurrculars: 2 Tuition listed
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