For the 2026 school year, there is 1 private high school serving 179 students in Monroe County, IL.
100% of private high schools in Monroe County, IL are religiously affiliated (most commonly Catholic).
Private High Schools in Monroe County (2026)
School
Location
Quick Facts
Gibault Catholic
(Catholic)
501 Columbia Ave
Waterloo, IL 62298
(618) 922-9751
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
1 School
Student Body:
# Students
179 Students
89,879 Students
% Average Students of Color
15%
35%
Academics and Faculty:
# Teachers
24 Teachers
7,553 Teachers
Average Student-Teacher Ratio
7:1
11:1
Average Class Size
8 students
15 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$11,350
$15,754
Students by Ethnicity:
Diversity Score
0.29
0.62
# American Indian Students
4 Students
298 Students
% American Indian Students
2%
n/a
# Asian Students
7 Students
5,624 Students
% Asian Students
4%
6%
# Hispanic Students
10 Students
10,091 Students
% Hispanic Students
6%
11%
# Black Students
6 Students
9,671 Students
% Black Students
3%
11%
# White Students
150 Students
52,469 Students
% White Students
84%
58%
# Hawaiian Students
n/a
105 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
2 Students
12,146 Students
% of Others Students
1%
14%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
How many private high schools are located in Monroe County, IL?
1 private high schools are located in Monroe County, IL.
What percentage of private high schools are religiously affiliated in Monroe County?
100% of private high schools in Monroe County are religiously affiliated (most commonly Catholic).
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