Clinton County Private Schools

For the 2026-27 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 (26-27)

Quick Facts (26-27)

Top Ranked Clinton County Private Schools (2026-27)

Map of All Saints Academy
Gr: PK-8 | 357 students
Avg. class size: 17 students
Catholic
295 N Clinton St
Breese, IL 62230
(618) 526-4323
Map of 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
Map of 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)

Overview

Category
This State (IL)
US
# Schools
3 Schools
# Students
804 Students
251,324 Students
% Average Students of Color
4%
34%

Academics and Faculty:

# Teachers
56 Teachers
18,893 Teachers
Average Student-Teacher Ratio
14:1
13:1
% Average Faculty w/Advanced Degree
50%
53%
Average Class Size
17 students
17 students
Average Number of AP Courses
2 courses
11 courses
Average ACT score
24
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$4,480
$10,418
Average Endowment Size
$2 million
$12.3 million

Students by Ethnicity:

0.26
0.66
# American Indian Students
0 Students
605 Students
% American Indian Students
0%
<1%
# Asian Students
6 Students
10,480 Students
% Asian Students
1%
4%
# Hispanic Students
18 Students
25,029 Students
% Hispanic Students
2%
10%
# Black Students
4 Students
21,042 Students
% Black Students
1%
9%
# White Students
685 Students
128,851 Students
% White Students
85%
51%
# Hawaiian Students
0 Students
338 Students
% Hawaiian Students
0%
<1%
# Others Students
91 Students
65,524 Students
% of Others Students
11%
26%
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, Mater Dei High School, and Trinity Lutheran 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

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