Private School Review - Established 2003

Best Monroe County Private Schools (2026-27)

For the 2026-27 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 are educated in private schools (compared to the IL state average of 12%).
100% of private schools in Monroe County, IL are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Monroe County Private Schools (2026-27)

Immaculate Conception Photo
Immaculate Conception
Gr: PK-8 | 393 students
Avg. class size: 16 students
Sports: 4
Catholic
321 S Metter Avenue
Columbia, IL 62236
(618) 281-5353
View Profile
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

Overview

Category
This State (IL)
US
# Schools
3 Schools

Trends in Total Number of Private Schools

YearMonroe County Total Schools
20253
20243
20233
20223
20213
20203
20193
20183
20173
20163
20153
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# Students
912 Students
251,350 Students

Trends in the Average Number of Students Per Private School

YearMonroe County AverageIllinois (IL) AverageNational Average
2025304166179
2024304162172
2023311171174
2022311178185
2021311174180
2020311168171
2019311174175
2018311171172
2017321177180
2016321175178
2015321168167
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% Average Students of Color
6%
34%

Percentage of Students of Color Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
20256%34%34%
20246%34%34%
20235%34%33%
20223%34%33%
20213%34%32%
20203%35%32%
201940%33%31%
201840%33%31%
20173%34%32%
20163%34%32%
20153%35%32%
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Academics and Faculty:

# Teachers
73 Teachers
18,872 Teachers
Average Student-Teacher Ratio
12:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
202512:113:111:1
202412:113:111:1
202313:113:111:1
202214:113:111:1
202114:113:111:1
202014:113:112:1
201914:113:112:1
201814:114:112:1
201715:114:112:1
201615:114:112:1
201515:114:112:1
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% Average Faculty w/Advanced Degree
31%
53%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
202531%53%55%
202431%52%54%
202331%50%54%
202231%51%54%
202131%50%54%
202031%50%54%
201931%50%53%
201831%49%53%
201731%48%53%
201631%49%52%
201531%50%52%
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Average Class Size
12 students
16 students

Class Size Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
2025121615
2024161715
2023161715
2022161715
2021161715
2020161715
2019161715
2018161715
2017161715
2016161715
2015161715
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$7,050
$12,457

Tuition Cost Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
2025$7,050$12,671$15,012
2024$2,750$9,594$13,254
2023$2,750$8,924$12,626
2022$2,750$8,609$12,187
2021$2,750$8,334$11,800
2020$2,750$8,312$11,512
2019$2,750$8,068$11,293
2018$2,750$7,898$11,017
2017$2,750$7,863$10,708
2016$2,750$7,289$10,356
2015$2,750$7,003$9,939
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Average % on Financial Aid
10%
34%

Percent on Financial Aid Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
202510%34%34%
202410%33%34%
202310%33%34%
202210%32%33%
202110%31%33%
202010%32%32%
201910%31%31%
201810%30%30%
201710%29%30%
201610%29%29%
201510%28%28%
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Average Financial Aid Grant
$1,200
$4,422

Financial Aid Grant Trends (2015-2025)

YearMonroe County AverageIllinois (IL) AverageNational Average
2025$1,200$3,868$7,073
2024$1,200$3,415$6,930
2023$1,200$2,426$6,469
2022$1,200$2,492$6,289
2021$1,200$2,514$6,055
2020$1,200$2,509$5,921
2019$1,200$2,541$5,795
2018$1,200$2,466$5,456
2017$1,200$2,525$5,319
2016$1,200$2,614$5,105
2015$1,200$2,666$5,030
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Students by Ethnicity:

0.30
0.66

Diversity Score Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
20250.300.660.65
20240.300.660.65
20230.350.660.65
20220.320.650.64
20210.320.650.64
20200.320.660.64
20190.630.650.63
20180.630.650.63
20170.210.620.61
20160.210.620.61
20150.210.630.61
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# American Indian Students
4 Students
605 Students
% American Indian Students
n/a
n/a
# Asian Students
10 Students
10,480 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
20252%5%5%
20242%5%5%
20233%5%5%
20221%4%4%
20211%5%4%
20201%4%4%
20192%4%4%
20182%5%4%
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# Hispanic Students
11 Students
25,032 Students
% Hispanic Students
1%
10%

Hispanic Student Percentage Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
20251%10%9%
20241%10%9%
20232%10%9%
20221%10%8%
20211%10%9%
20201%10%9%
20191%9%8%
20181%9%8%
20172%9%8%
20162%9%8%
20152%9%8%
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# Black Students
7 Students
21,046 Students
% Black Students
1%
9%

Black Student Percentage Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
20251%8%7%
20241%8%7%
20221%8%7%
20211%8%7%
20201%9%8%
201929%9%7%
201829%9%7%
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# White Students
757 Students
128,862 Students
% White Students
83%
51%

White Student Percentage Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
202583%51%52%
202483%51%52%
202379%51%52%
202281%53%54%
202181%52%54%
202081%52%54%
201952%53%56%
201852%53%56%
201789%56%58%
201689%56%58%
201589%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
123 Students
65,479 Students
% of Others Students
14%
26%

Other Races Student Percentage Trends

YearMonroe County AverageIllinois (IL) AverageNational Average
202513%26%26%
202413%26%26%
202316%26%25%
202216%25%25%
202116%25%25%
202016%25%24%
201916%25%24%
201816%24%23%
20179%22%22%
20169%23%22%
20159%23%21%
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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).
Which private schools in Monroe County are often viewed compared to one another?

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