For the 2026 school year, there are 2 private schools serving 519 students in Waterloo, IL (there are 5 public schools, serving 2,742 public students). 16% of all K-12 students in Waterloo, IL are educated in private schools (compared to the IL state average of 12%).
The top-ranked private school in Waterloo, IL is SS Peter & Paul Catholic School.
100% of private schools in Waterloo, IL are religiously affiliated (most commonly Catholic).
Top-Ranked Waterloo Private Schools (2026)
School
Location
Quick Facts
SS Peter & Paul Catholic School
(Catholic)
217 W 3rd St
Waterloo, IL 62298
(618) 939-7217
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
Waterloo, IL 62298
(618) 922-9751
Gr: 9-12 | 179 students Avg. class size: 8 students Tuition listed
Overview
This Town (Waterloo)
This State (IL)
# Schools
2 Schools
Student Body:
# Students
519 Students
252,112 Students
% Average Students of Color
6%
34%
Academics and Faculty:
# Teachers
47 Teachers
18,876 Teachers
Average Student-Teacher Ratio
11:1
13:1
Average Class Size
8 students
16 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$11,350
$12,493
Students by Ethnicity:
Diversity Score
0.35
0.66
# American Indian Students
4 Students
605 Students
% American Indian Students
1%
n/a
# Asian Students
10 Students
10,504 Students
% Asian Students
2%
4%
# Hispanic Students
11 Students
25,130 Students
% Hispanic Students
2%
10%
# Black Students
7 Students
21,075 Students
% Black Students
1%
9%
# White Students
412 Students
129,117 Students
% White Students
79%
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
75 Students
65,533 Students
% of Others Students
15%
26%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Waterloo, IL?
The top-ranked private schools in Waterloo, IL is SS Peter & Paul Catholic School.
How many private schools are located in Waterloo?
2 private schools are located in Waterloo.
What percentage of students in Waterloo go to private school?
16% of all K-12 students in Waterloo are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Waterloo?
100% of private schools in Waterloo are religiously affiliated (most commonly Catholic).
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