Private School Review - Established 2003

Best Clinton County Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 804 students in Clinton County, IL (there are 16 public schools, serving 4,726 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 Clinton County, IL are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Clinton County Private Schools (2026)

Map of All Saints Academy
All Saints Academy
Gr: PK-8 | 357 students
Avg. class size: 17 students
Catholic
295 N Clinton St
Breese, IL 62230
(618) 526-4323
View Profile
Map of Mater Dei High School
Mater Dei High School
Gr: 9-12 | 383 students
Avg. class size: 16 students
Sports: 12
Catholic
900 Mater Dei Dr
Breese, IL 62230
(618) 526-7216
View Profile
Map of Trinity Lutheran School
Trinity Lutheran School
Gr: PK-8 | 64 students
Sports: 4 | Extracurriculars: 3
Lutheran Church Missouri Synod
8701 Huey Rd
Hoffman, IL 62250
(618) 495-2246
(1)
View Profile

Overview

Category
This State (IL)
US
# Schools
3 Schools

Trends in Total Number of Private Schools

YearClinton County Total Schools
20253
20243
20233
20223
20213
20203
20193
20183
20173
20163
20154
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# Students
804 Students
251,350 Students

Trends in the Average Number of Students Per Private School

YearClinton County AverageIllinois (IL) AverageNational Average
2025268166179
2024268162172
2023271171174
2022265178185
2021265174180
2020265168171
2019269174175
2018269171172
2017301177180
2016301175178
2015252168167
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

% Average Students of Color
4%
34%

Percentage of Students of Color Trends (2015-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
20254%34%34%
20244%34%34%
202325%34%33%
202224%34%33%
202124%34%32%
202024%35%32%
20193%33%31%
20183%33%31%
20172%34%32%
20162%34%32%
20153%35%32%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Academics and Faculty:

# Teachers
56 Teachers
18,872 Teachers
Average Student-Teacher Ratio
14:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
202514:113:111:1
202414:113:111:1
202315:113:111:1
202214:113:111:1
202114:113:111:1
202014:113:112:1
201914:113:112:1
201814:114:112:1
201713:114:112:1
201613:114:112:1
201514:114:112:1
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

% Average Faculty w/Advanced Degree
50%
53%

Percentage of Faculty With Advanced Degrees Trends (2016-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
202550%53%55%
202450%52%54%
202350%50%54%
202250%51%54%
202150%50%54%
202050%50%54%
201950%50%53%
201850%49%53%
201750%48%53%
201650%49%52%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Average Class Size
17 students
16 students

Class Size Trends (2016-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
2025171615
2024161715
2023161715
2022161715
2021161715
2020161715
2019161715
2018161715
2017161715
2016161715
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Average Number of AP Courses
2 courses
11 courses

Trends in Average Number of AP Courses Offered

YearClinton County AverageIllinois (IL) AverageNational Average
202521113
20242912
20232911
20222911
20212911
20202911
20192811
20182811
20172810
20162910
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Average ACT score
24
(Out of 36)
25

ACT Score Trends (2016-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
2025242526
2024242526
2023242526
2022242526
2021242526
2020242525
2019242525
2018242525
2017242525
2016242425
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$4,480
$12,457

Tuition Cost Trends (2018-2025)

YearClinton County AverageIllinois (IL) AverageNational Average
2025$4,480$12,671$15,012
2024$2,770$9,594$13,254
2023$2,770$8,924$12,626
2022$2,770$8,609$12,187
2021$2,770$8,334$11,800
2020$2,770$8,312$11,512
2019$2,770$8,068$11,293
2018$2,770$7,898$11,017
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

Average Endowment Size
$2 million
$50.13 million

Students by Ethnicity:

0.26
0.66

Diversity Score Trends

YearClinton County AverageIllinois (IL) AverageNational Average
20250.260.660.65
20240.260.660.65
20230.500.660.65
20220.490.650.64
20210.490.650.64
20200.490.660.64
20190.240.650.63
20180.240.650.63
20170.180.620.61
20160.180.620.61
20150.190.630.61
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
6 Students
10,480 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearClinton County AverageIllinois (IL) AverageNational Average
20252%5%5%
20242%5%5%
20232%5%5%
20223%4%4%
20213%5%4%
20203%4%4%
20152%4%4%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# Hispanic Students
18 Students
25,032 Students
% Hispanic Students
2%
10%

Hispanic Student Percentage Trends

YearClinton County AverageIllinois (IL) AverageNational Average
20252%10%9%
20242%10%9%
202316%10%9%
202216%10%8%
202116%10%9%
202016%10%9%
20191%9%8%
20181%9%8%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# Black Students
4 Students
21,046 Students
% Black Students
1%
9%

Black Student Percentage Trends

YearClinton County AverageIllinois (IL) AverageNational Average
20191%9%7%
20181%9%7%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# White Students
685 Students
128,862 Students
% White Students
85%
51%

White Student Percentage Trends

YearClinton County AverageIllinois (IL) AverageNational Average
202585%51%52%
202485%51%52%
202368%51%52%
202269%53%54%
202169%52%54%
202069%52%54%
201986%53%56%
201886%53%56%
201791%56%58%
201691%56%58%
201590%55%58%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

# 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
91 Students
65,479 Students
% of Others Students
11%
26%

Other Races Student Percentage Trends

YearClinton County AverageIllinois (IL) AverageNational Average
202511%26%26%
202411%26%26%
202314%26%25%
202212%25%25%
202112%25%25%
202012%25%24%
201911%25%24%
201811%24%23%
20179%22%22%
20169%23%22%
20158%23%21%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: 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. See our Terms of Service.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
9 extracurriculars
Average Number of Sports
8 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Clinton County, IL?
The top ranked private schools in Clinton County, IL include All Saints Academy, Trinity Lutheran School, and Mater Dei High School.
How many private schools are located in Clinton County?
3 private schools are located in Clinton County.
What percentage of students in Clinton County go to private school?
15% of all K-12 students in Clinton County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Clinton County?
100% of private schools in Clinton County are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).
Which private schools in Clinton County are often viewed compared to one another?
Popular comparisons of private schools in Clinton County include: All Saints Academy vs. Trinity Lutheran School, Trinity Lutheran School vs. All Saints Academy

Recent Articles

Will This Curriculum Still Matter in 2035?
Will This Curriculum Still Matter in 2035?
Learn how to evaluate future-ready private school curricula for 2035, focusing on durable knowledge, critical thinking, AI literacy, adaptability, communication, creativity, and real-world learning before choosing a school.
Private Schools for Creators, Trades & Startups
Private Schools for Creators, Trades & Startups
Explore how private schools support non-traditional career paths in creative industries, skilled trades, and entrepreneurship, plus what families should evaluate when choosing specialized programs for future-ready students today.
First 90 Days at Private School: Parent Guide
First 90 Days at Private School: Parent Guide
Learn how to read your child’s first 90 days at private school, distinguish healthy adjustment from genuine struggles, and know when academic, social, or emotional concerns require action.

Filter Schools

School Level
Must Offer Grade
▼ Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (IL):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: