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 St. Matthias School, Daystar Academy, and British International School of Chicago-South Loop.
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
Recent Articles
Understanding Private School Tuition in 2025
Explore updated private school tuition trends, costs, policy shifts, and financial planning insights for 2025 families considering private education.
Private School Curriculum in 2025: Key Courses and Trends
Explore what private schools are teaching in 2025, from core subjects and AI to global studies and tuition trends shaping private education today.
Sliding-Scale & Income-Based Tuition Models for Private Schools
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.



