Best Illinois Private Schools Belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) (2026-27)

For the 2026-27 school year, there are 2 private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) serving 6,319 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private school belonging to Middle States Association Commissions on Elementary and Secondary School (MSA-CESS) in Illinois is American School.
The average acceptance rate is 100%, which is higher than the Illinois private school average acceptance rate of 89%.

Quick Facts (2026-27)

  • # Private Schools: 2

Quick Facts (2026-27)

  • # Private Schools: 2

Top Ranked Private Schools Belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Illinois (2026-27)

American School Photo
Gr: 6-12 | 6,319 students
Alternative School
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
Map of Guidepost Montessori at Old Town
Gr: NS-K
Sports: 2
Montessori School
311 W Division
Chicago, IL 60610
(708) 441-3831

Frequently Asked Questions

What are the top ranked private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Illinois?
The top ranked private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) in Illinois is American School.
How many private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) are located in Illinois?
2 private schools belonging to Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS) are located in Illinois.

Recent Articles

When Your Child Struggles in One Private School Subject
When Your Child Struggles in One Private School Subject
Learn what to do when your child struggles in one private school subject, including identifying causes, working with teachers, evaluating support, tutoring, progress, and next steps effectively.
Is Your Child Challenged or Just Given More Work?
Is Your Child Challenged or Just Given More Work?
Learn how to distinguish meaningful academic rigor from excessive workload by evaluating assignments, feedback, classroom expectations, assessments, and intellectual challenge when comparing private schools for your child.
Private School Extra Help: Evaluating Teacher Access
Private School Extra Help: Evaluating Teacher Access
Learn how to evaluate private school extra-help systems, including teacher availability, scheduling, advising, response times, and access, so your child can receive meaningful academic support when needed most.

Quick Links