For the 2026 school year, there are 3 private high schools serving 529 students in Belleville, IL.
The top-ranked private high school in Belleville, IL is Althoff Catholic High School.
The average acceptance rate is 55%, which is higher than the Illinois private high school average acceptance rate of 0%.
33% of private high schools in Belleville, IL are religiously affiliated (most commonly Catholic).
Top-Ranked Belleville 草榴社区 High Schools (2026)
School
Location
Quick Facts
Althoff Catholic High School
(Catholic)
5401 W Main St
Belleville, IL 62226
(618) 235-1100
Belleville, IL 62226
(618) 235-1100
Gr: 9-12 | 323 students Avg. class size: 15 students Tuition & acceptance rate listed
219 West Main Street
Belleville, IL 62220
(618) 233-7542
Belleville, IL 62220
(618) 233-7542
Gr: PK-12 | 107 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
Illinois Center For Autism
Special Education School
1306 Wabash Ave
Belleville, IL 62220
(618) 398-7500
Belleville, IL 62220
(618) 398-7500
Gr: PK-12 | 99 students Avg. class size: 12 students
Belleville, Illinois 草榴社区 Schools (Closed)
School
Location
Quick Facts
Faith Baptist School (Closed 2025)
(Baptist)
413 E Main St
Belleville, IL 62220
(618) 234-3391
Belleville, IL 62220
(618) 234-3391
Gr: PK-12 | 48 students
St. Mary Elementary School (Closed 2006)
(Catholic)
1722 West Main Street
Belleville, IL 62226
(618) 234-2476
Belleville, IL 62226
(618) 234-2476
Gr: PK-8 | 108 students
Overview
This Town (Belleville)
This State (IL)
# Schools
3 Schools
Student Body:
# Students
529 Students
n/a
% Average Students of Color
37%
0%
Academics and Faculty:
# Teachers
55 Teachers
n/a
Average Student-Teacher Ratio
10:1
n/a
% Average Faculty w/Advanced Degree
38%
%
Average Class Size
14 students
students
Average Number of AP Courses
8 courses
course
Average SAT score
1210
(Out of 1600)
Average ACT score
26
(Out of 36)
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$8,592
$0
Average Summer Program Cost
$725
$0
Average % on Financial Aid
23%
%
Average Financial Aid Grant
$2,250
$0
Average Acceptance Rate
55%
%
Students by Ethnicity:
Diversity Score
0.53
-
# American Indian Students
n/a
n/a
% American Indian Students
n/a
n/a
# Asian Students
16 Students
n/a
% Asian Students
3%
n/a
# Hispanic Students
28 Students
n/a
% Hispanic Students
5%
n/a
# Black Students
164 Students
n/a
% Black Students
27%
n/a
# White Students
374 Students
n/a
% White Students
63%
n/a
# Hawaiian Students
n/a
n/a
% 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
15 Students
n/a
% of Others Students
2%
n/a
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
3 extracurriculars
extracurriculars
Average Number of Sports
4 sports
sports
Frequently Asked Questions
What are the top-ranked private high schools in Belleville, IL?
The top-ranked private high schools in Belleville, IL is Althoff Catholic High School.
How many private high schools are located in Belleville?
3 private high schools are located in Belleville.
What percentage of private high schools are religiously affiliated in Belleville?
33% of private high schools in Belleville are religiously affiliated (most commonly Catholic).