Best Illinois Private Schools (2024)

For the 2024 school year, there are 1,667 private schools serving 260,412 students in Illinois (there are 4,386 public schools, serving 1,867,247 students). 12% of all K-12 students in Illinois are educated in private schools (compared to the national average of 10%).
The average private school tuition is $8,369 for elementary schools and $13,408 for high schools (view national tuition averages).
The best top ranked private schools in Illinois include St. Joan Of Arc, Catherine Cook School and Montessori Language Academy.
The average acceptance rate is 91% (view national acceptance rates). Minority enrollment is 34% and the student:teacher ratio is 13:1.
55% of schools are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Illinois Private Schools by County (2024)

County
# Schools
# Students
% of K-12 Students in Private Schools
10
1,880
17%
768
135,872
16%
184
25,650
15%
65
9,494
10%
108
12,497
9%
11
1,853
11%
4
540
12%
13
2,637
10%
9
1,603
10%
38
5,781
13%
27
4,427
14%
19
3,800
12%
75
9,418
7%

Frequently Asked Questions

What are the top ranked private schools in Illinois?
The best top ranked private schools in Illinois include St. Joan Of Arc, Catherine Cook School and Montessori Language Academy.
How many private schools are located in Illinois?
1,667 private schools are located in Illinois.
How much do private schools cost in Illinois?
The average private school tuition in Illinois is $8,369 for elementary schools and $13,408 for high schools
How diverse are private schools in Illinois?
Illinois private schools are approximately 34% minority students (view national minority students).
What percentage of students in Illinois go to private school?
12% of all K-12 students in Illinois are educated in private schools (compared to national average of 10%).
What percentage of private schools are religiously affiliated in Illinois?
55% of private schools in Illinois are religiously affiliated (most commonly Catholic and Christian).

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