Brehm Preparatory School Photo - Small class sizes provide opportunities for 1:1 educational moments.

Best Illinois Private Schools Belonging to The Association of Boarding Schools (TABS) (2025-26)

For the 2025-26 school year, there are 3 private schools belonging to The Association of Boarding Schools (TABS) serving 602 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to The Association of Boarding Schools (TABS) in Illinois include Lake Forest Academy and Woodlands Academy Of The Sacred Heart.
The average acceptance rate is 66%, which is lower than the Illinois private school average acceptance rate of 84%.
33% of private schools belonging to The Association of Boarding Schools (TABS) in Illinois are religiously affiliated (most commonly Catholic).

Top Ranked Private Schools Belonging to The Association of Boarding Schools (TABS) in Illinois (2025-26)

School
Location
Quick Facts
Lake Forest Academy
Lake Forest Academy Photo - Located on the former estate of J. Odgen Armour, various historical and modern buildings comprise Lake Forest Academy's 150-acre campus, including the Cressey Center for the Arts, the Reyes Family Science Center, and a newly expanded athletic center.
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
Gr: 9-12 | 452 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 24 Tuition & acceptance rate listed
Woodlands Academy Of The Sacred Heart
All-girls (Catholic)
760 E Westleigh Rd
Lake Forest, IL 60045
(847) 234-4300
Gr: 9-12 | 120 students Avg. class size: 10 students 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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