For the 2026 school year, there is 1 private school serving 150 students in Warren County, IL (there are 8 public schools, serving 2,295 public students). 6% of all K-12 students in Warren County, IL are educated in private schools (compared to the IL state average of 12%).
The top-ranked private school in Warren County, IL is Immaculate Conception School.
100% of private schools in Warren County, IL are religiously affiliated (most commonly Catholic).
Top-Ranked Warren County Private Schools (2026)
School
Location
Quick Facts
Immaculate Conception School
(Catholic)
115 N B St
Monmouth, IL 61462
(309) 734-6037
Monmouth, IL 61462
(309) 734-6037
Gr: PK-8 | 150 students Sports: 4 Tuition listed
Overview
This County (Warren County)
This State (IL)
# Schools
1 School
Student Body:
# Students
150 Students
251,728 Students
% Average Students of Color
21%
34%
Academics and Faculty:
# Teachers
14 Teachers
18,884 Teachers
Average Student-Teacher Ratio
11:1
13:1
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$2,410
$12,500
Students by Ethnicity:
Diversity Score
0.44
0.66
# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
4 Students
10,494 Students
% Asian Students
3%
4%
# Hispanic Students
21 Students
25,127 Students
% Hispanic Students
14%
10%
# Black Students
4 Students
21,074 Students
% Black Students
3%
9%
# White Students
110 Students
129,096 Students
% White Students
73%
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
11 Students
65,355 Students
% of Others Students
7%
26%
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 Warren County, IL?
The top-ranked private schools in Warren County, IL is Immaculate Conception School.
How many private schools are located in Warren County?
1 private schools are located in Warren County.
What percentage of students in Warren County go to private school?
6% of all K-12 students in Warren County are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Warren County?
100% of private schools in Warren County are religiously affiliated (most commonly Catholic).
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