Private School Review - Established 2003

Waterloo Private Schools (2026-27)

For the 2026-27 school year, there are 2 private schools serving 519 students in Waterloo, IL, 16% of all K-12 students in Waterloo, IL are educated in private schools versus public schools (compared to the IL state average of 12%).
100% of private schools in Waterloo, IL are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Waterloo Private Schools (2026-27)

Map of SS Peter & Paul Catholic School
SS Peter & Paul Catholic School
Gr: PK-8 | 340 students
Catholic
217 W 3rd St
Waterloo, IL 62298
(618) 939-7217
View Profile
Map of Gibault Catholic
Gibault Catholic
Gr: 9-12 | 179 students
Avg. class size: 8 students
Catholic
501 Columbia Ave
Waterloo, IL 62298
(618) 922-9751
View Profile

Waterloo, IL Private School Trends (10-Year)

2
Private Schools
519
Students
-13.2% (-79 students) 10-yr
$11,350
Avg. Tuition
8
Avg. Class Size
6%
Students of Color
+200.0% (+4.0 pp) 10-yr
11:1
Student-Teacher Ratio
-26.7% (-4.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Waterloo)
This State (IL)
# Schools
2 Schools
1,625 Schools
# Students
519 Students
251,321 Students

Trends in the Average Number of Students Per Private School

YearWaterloo, IL AvgIllinois (IL)National
2025260166179
2024260162172
2023269171174
2022276178185
2021276174180
2020276168171
2019293174175
2018293171172
2017299177180
2016299175178
2015299168167
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% Students of Color
6%
34%

Percentage of Students of Color Trends (2015-2025)

YearWaterloo, IL AvgIllinois (IL)National
20256%34%34%
20246%34%34%
20237%34%33%
20224%34%33%
20214%34%32%
20204%35%32%
20195%33%31%
20185%33%31%
20172%34%32%
20162%34%32%
20152%35%32%
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0.35
0.66

Diversity Score Trends

YearWaterloo, IL AvgIllinois (IL)National
20250.350.660.65
20240.350.660.65
20230.360.660.65
20220.300.650.64
20210.300.650.64
20200.300.660.64
20190.300.650.63
20180.300.650.63
20170.220.620.61
20160.220.620.61
20150.220.630.61
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Show more data/charts: racial breakdown
# American Indian Students
4 Students
605 Students
% American Indian Students
1%
n/a
# Asian Students
10 Students
10,480 Students
% Asian Students
2%
4%

Asian Student Percentage Trends

YearWaterloo, IL AvgIllinois (IL)National
20252%5%5%
20242%5%5%
20233%5%5%
20222%4%4%
20212%5%4%
20202%4%4%
20193%4%4%
20183%5%4%
20171%4%4%
20161%3%4%
20151%4%4%
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# Hispanic Students
11 Students
25,032 Students
% Hispanic Students
2%
10%

Hispanic Student Percentage Trends

YearWaterloo, IL AvgIllinois (IL)National
20252%10%9%
20242%10%9%
20232%10%9%
20221%10%8%
20211%10%9%
20201%10%9%
20191%9%8%
20181%9%8%
20171%9%8%
20161%9%8%
20151%9%8%
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# Black Students
7 Students
21,046 Students
% Black Students
1%
9%

Black Student Percentage Trends

YearWaterloo, IL AvgIllinois (IL)National
20251%8%7%
20241%8%7%
20231%8%8%
20221%8%7%
20211%8%7%
20201%9%8%
20191%9%7%
20181%9%7%
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# White Students
412 Students
128,859 Students
% White Students
79%
51%

White Student Percentage Trends

YearWaterloo, IL AvgIllinois (IL)National
202579%51%52%
202479%51%52%
202379%51%52%
202283%53%54%
202183%52%54%
202083%52%54%
201983%53%56%
201883%53%56%
201788%56%58%
201688%56%58%
201588%55%58%
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# 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
65,474 Students
% of Others Students
15%
26%

Other Races Student Percentage Trends

YearWaterloo, IL AvgIllinois (IL)National
202514%26%26%
202414%26%26%
202315%26%25%
202213%25%25%
202113%25%25%
202013%25%24%
201912%25%24%
201812%24%23%
201710%22%22%
201610%23%22%
201510%23%21%
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All Ethnic Groups
Academics
# Teachers
47 Teachers
18,870 Teachers
Average Student-Teacher Ratio
11:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearWaterloo, IL AvgIllinois (IL)National
202511:113:111:1
202411:113:111:1
202311:113:111:1
202212:113:111:1
202112:113:111:1
202012:113:112:1
201912:113:112:1
201812:114:112:1
201715:114:112:1
201615:114:112:1
201515:114:112:1
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Average Class Size
8 students
16 students
Tuition & Aid
Average Yearly Tuition Cost
$11,350
$12,436
Admissions & Athletics

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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