Immaculate Conception Photo - Mr. Kish welcomes students on the first day.

Best Monroe County Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 912 students in Monroe County, IL (there are 12 public schools, serving 5,036 public students). 15% of all K-12 students in Monroe County, IL are educated in private schools (compared to the IL state average of 12%).
The top-ranked private schools in Monroe County, IL include SS Peter & Paul Catholic School and Immaculate Conception.
100% of private schools in Monroe County, IL are religiously affiliated (most commonly Catholic).

Top-Ranked Monroe County Private Schools (2026)

School
Location
Quick Facts
Immaculate Conception
Immaculate Conception Photo - Mr. Kish welcomes students on the first day.
(Catholic)
321 S Metter Avenue
Columbia, IL 62236
(618) 281-5353
Gr: PK-8 | 393 students Avg. class size: 16 students Sports: 4 Tuition listed
SS Peter & Paul Catholic School
(Catholic)
217 W 3rd St
Waterloo, IL 62298
(618) 939-7217
Gr: PK-8 | 340 students Tuition listed
Gibault Catholic
(Catholic)
501 Columbia Ave
Waterloo, IL 62298
(618) 922-9751
Gr: 9-12 | 179 students Avg. class size: 8 students Tuition listed

Overview

This County (Monroe County)
This State (IL)
# Schools
3 Schools

Student Body:

# Students
912 Students
252,129 Students
% Average Students of Color
6%
34%

Academics and Faculty:

# Teachers
73 Teachers
18,877 Teachers
Average Student-Teacher Ratio
12:1
13:1
% Average Faculty w/Advanced Degree
31%
53%
Average Class Size
12 students
16 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$7,050
$12,512
Average % on Financial Aid
10%
34%
Average Financial Aid Grant
$1,200
$3,872

Students by Ethnicity:

0.30
0.66
# American Indian Students
4 Students
605 Students
% American Indian Students
n/a
n/a
# Asian Students
10 Students
10,504 Students
% Asian Students
1%
4%
# Hispanic Students
11 Students
25,130 Students
% Hispanic Students
1%
10%
# Black Students
7 Students
21,075 Students
% Black Students
1%
9%
# White Students
757 Students
129,117 Students
% White Students
83%
51%
# Hawaiian Students
n/a
338 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
123 Students
65,550 Students
% of Others Students
14%
26%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Sports
4 sports
6 sports

Frequently Asked Questions

What are the top-ranked private schools in Monroe County, IL?
The top-ranked private schools in Monroe County, IL include SS Peter & Paul Catholic School and Immaculate Conception.
How many private schools are located in Monroe County?
3 private schools are located in Monroe County.
What percentage of students in Monroe County go to private school?
15% of all K-12 students in Monroe County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Monroe County?
100% of private schools in Monroe County are religiously affiliated (most commonly Catholic).

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