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Best Illinois Private Schools (2024-25)

For the 2024-25 school year, there are 1,705 private schools serving 260,572 students in Illinois (there are 4,408 public schools, serving 1,888,363 students). 12% of all K-12 students in Illinois attend private schools (compared to the national average of 11%).
The average private school tuition is $8,880 for elementary schools and $14,219 for high schools (view national tuition averages).
The top-ranked private schools in Illinois include Lake Forest Academy, Loyola Academy, and Morgan Park Academy.
The average acceptance rate is 90% (view national acceptance rates). Minority enrollment is 34% and the student:teacher ratio is 13:1.
55% of schools are religiously affiliated, with most being Catholic or Christian.

Top Ranked Illinois Private Schools by County (2024-25)

County
# Schools
# Students
% of K-12 Students in Private Schools
10
1,813
17%
798
136,019
17%
180
25,606
13%
63
8,948
9%
108
12,646
9%
11
1,686
10%
4
540
12%
14
2,693
10%
9
1,637
10%
41
6,155
14%
30
5,025
16%
19
3,826
12%
77
8,923
7%

Frequently Asked Questions

What are the top ranked private schools in Illinois?
The top-ranked private schools in Illinois include Lake Forest Academy, Loyola Academy, and Morgan Park Academy.
How many private schools are located in Illinois?
There are 1,705 private schools are located in Illinois.
How much do private schools cost in Illinois?
The average private school tuition in Illinois is $8,880 for elementary schools and $14,219 for high schools
How diverse are private schools in Illinois?
Approximately 34% of students in Illinois private schools are minority students (compared to the national percentage).
What percentage of students in Illinois go to private school?
12% of all K-12 students in Illinois attend private schools (compared to the national average of 11%).
What percentage of private schools are religiously affiliated in Illinois?
55% of private schools in Illinois are religiously affiliated, with most being Catholic or Christian.
Which private schools in Illinois are often viewed compared to one another?

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