Illinois Private Schools Belonging to International Baccalaureate World School (IB)

For the 2026-27 school year, there are 9 private schools belonging to International Baccalaureate World School (IB) serving 2,935 students in Illinois.
The average acceptance rate is 92%, which is higher than the Illinois private school average acceptance rate of 89%.
44% of private schools belonging to International Baccalaureate World School (IB) in Illinois are religiously affiliated (most commonly Catholic and Christian).
The top ranked private schools belonging to International Baccalaureate World School (IB) in Illinois include St. Matthias School, British International School of Chicago-South Loop, and Beacon Academy.

Quick Facts (26-27)

  • # Private Schools: 9

Quick Facts (26-27)

  • # Private Schools: 9

Top Ranked Private Schools Belonging to International Baccalaureate World School (IB) in Illinois (2026-27)

German International School Chicago Photo
Gr: PK-9 | 180 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 18
Specialized Curriculum
1726 W Berteau Ave
Chicago, IL 60613
(773) 857-3000
(1)
Beacon Academy Photo
Gr: 9-12 | 144 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 21
Montessori School
1574 Sherman Avenue
Evanston, IL 60201
(224) 999-1177
British International School of Chicago-South Loop Photo
Gr: NS-12 | 799 students
Avg. class size: 15 students
Sports: 13
161 West 9th Street
Chicago, IL 60605
(773) 998-2472
(18)
Daystar Academy Photo
Gr: PK-12 | 301 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 8
Specialized Curriculum (Christian)
1550 S State St
Chicago, IL 60605
(312) 791-0001
(1)
GEMS World Academy Chicago Photo
Gr: PK-8 | 343 students
Avg. class size: 18 students
Sports: 4
350 E. South Water Street
Chicago, IL 60601
(312) 809-8900
(7)
Holy Family Catholic Academy Photo
Gr: NS-8 | 501 students
Avg. class size: 20 students
Sports: 6 | Extracurriculars: 6
Catholic
2515 Palatine Rd
Palatine, IL 60067
(847) 907-3452
(5)
St. Matthias School Photo
Gr: PK-8 | 245 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 9
Catholic
4910 N Claremont Ave
Chicago, IL 60625
(773) 784-0999
(7)
Map of Trinity High School
Gr: 9-12 | 422 students
All-girls (Catholic)
7574 Division St
River Forest, IL 60305
(708) 771-8383
Peoria Academy Photo
Gr: PK-8
Avg. class size: 13 students
Sports: 8 | Extracurriculars: 2
2711 W Willow Knolls Dr
Peoria, IL 61614
(309) 692-7570
(1)

Frequently Asked Questions

What are the top ranked private schools belonging to International Baccalaureate World School (IB) in Illinois?
The top ranked private schools belonging to International Baccalaureate World School (IB) in Illinois include St. Matthias School, British International School of Chicago-South Loop, and Beacon Academy.
How many private schools belonging to International Baccalaureate World School (IB) are located in Illinois?
9 private schools belonging to International Baccalaureate World School (IB) are located in Illinois.
How diverse are private schools belonging to International Baccalaureate World School (IB) in Illinois?
Illinois private schools belonging to International Baccalaureate World School (IB) are approximately 37% minority students, which is higher than the Illinois private school average of 34%.
What percentage of private schools belonging to International Baccalaureate World School (IB) are religiously affiliated in Illinois?
44% of private schools belonging to International Baccalaureate World School (IB) in Illinois are religiously affiliated (most commonly Catholic and Christian).

Recent Articles

Can Private Schools Raise Fees After You Sign?
Can Private Schools Raise Fees After You Sign?
Can private schools increase mandatory fees after enrollment contracts are signed? Learn how contract terms, fee disclosures, state laws, and parent rights affect unexpected charges and available options.
Financial Aid When a Sibling Graduates Private School
Financial Aid When a Sibling Graduates Private School
Learn how private school financial aid may change when an older sibling graduates, including revised family contributions, sibling discounts, college expenses, renewal decisions, and practical steps to protect affordability.
Private School Expansion: Preserving School Culture
Private School Expansion: Preserving School Culture
Discover how growing private schools can expand enrollment while preserving small classes, personal attention, strong relationships, and school culture, plus essential questions parents should ask before choosing a school.

Quick Links