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Best Illinois Private Schools Belonging to Middle States Association of Colleges and Secondary Schools (2026)

For the 2026 school year, there are 2 private schools belonging to Middle States Association of Colleges and Secondary Schools serving 6,319 students in Illinois. You can also find more schools membership associations in Illinois.

The private school belonging to Middle States Association of Colleges and Secondary School in Illinois is American School.

The average acceptance rate is 100%, which is higher than the Illinois private school average acceptance rate of 85%.

Top-Ranked Private Schools Belonging to Middle States Association of Colleges and Secondary Schools in Illinois (2026)

School

Location

Quick Facts

American School

Alternative School

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2200 E 170th St
Lansing, IL 60438
(708) 418-2800

Gr: 6-12 | 6,319 students Tuition & acceptance rate listed

Guidepost Montessori at Old Town

Montessori School

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311 W Division
Chicago, IL 60610
(708) 441-3831

Gr: NS-K Sports: 2

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