草榴社区

Althoff Catholic High School Photo

Best St. Clair County 草榴社区 High Schools (2026)

For the 2026 school year, there are 7 private high schools serving 881 students in St. Clair County, IL.
The top-ranked private high schools in St. Clair County, IL include Althoff Catholic High School and First Baptist Academy.
The average acceptance rate is 73%, which is lower than the Illinois private high school average acceptance rate of 81%.
43% of private high schools in St. Clair County, IL are religiously affiliated (most commonly Baptist and Catholic).

Top-Ranked St. Clair County 草榴社区 High Schools (2026)

School
Location
Quick Facts
Althoff Catholic High School
Althoff Catholic High School Photo
(Catholic)
5401 W Main St
Belleville, IL 62226
(618) 235-1100
Gr: 9-12 | 323 students Avg. class size: 15 students Sports: 15 | Extracurrculars: 9 Tuition & acceptance rate listed
First Baptist Academy
(Baptist)
(1)
1111 E Highway 50
O Fallon, IL 62269
(618) 726-6040
Gr: K-12 | 281 students Avg. class size: 20 students Sports: 5 Tuition & acceptance rate listed
Berean Christian School
Berean Christian School Photo - Preschool/Kindergarten
(Christian)
(1)
5100 N Illinois St
Fairview Heights, IL 62208
(618) 825-0609
Gr: PK-12 | 35 students Avg. class size: 10 students Tuition & acceptance rate listed
Governor French Academy
Governor French Academy Photo - WYSE Academic Challenge Team 2014
(2)
219 West Main Street
Belleville, IL 62220
(618) 233-7542
Gr: PK-12 | 107 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 7 Tuition & acceptance rate listed
Illinois Center For Autism
Special Education School
1306 Wabash Ave
Belleville, IL 62220
(618) 398-7500
Gr: PK-12 | 99 students Avg. class size: 12 students
Jtc Academy
Special Education School
4850 Market St
East Saint Louis, IL 62207
(618) 398-2524
Gr: 8-12 | 24 students
Jtc Boys Academy
Special Education School
353 N 88th St Hwy 157
East Saint Louis, IL 62203
(618) 398-2524
Gr: 8-12 | 12 students
[+] Show Closed 草榴社区 Schools in St. Clair County, Illinois

St. Clair County 草榴社区 Schools (Closed)

School
Location
Quick Facts
400 Louisa Avenue
Dupo, IL 62239
(618) 286-4279
Gr: K-12
413 E Main St
Belleville, IL 62220
(618) 234-3391
Gr: PK-12 | 48 students
116 E 1st St
East Saint Louis, IL 62206
(618) 337-2880
Gr: K-9 | 104 students
2727 N 43rd Street
East Saint Louis, IL 62201
(618) 271-8600
Gr: K-8 | 133 students
207 S Market St
New Athens, IL 62264
(618) 475-2170
Gr: PK-8 | 45 students
1722 West Main Street
Belleville, IL 62226
(618) 234-2476
Gr: PK-8 | 108 students

Overview

This County (St. Clair County)
This State (IL)
# Schools
7 Schools

Student Body:

# Students
881 Students
89,884 Students
% Average Students of Color
32%
35%

Academics and Faculty:

# Teachers
95 Teachers
7,537 Teachers
Average Student-Teacher Ratio
9:1
11:1
% Average Faculty w/Advanced Degree
34%
56%
Average Class Size
14 students
15 students
Average Number of AP Courses
8 courses
11 courses
Average SAT score
1210
(Out of 1600)
1258
Average ACT score
26
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$6,802
$15,730
Average Summer Program Cost
$725
$1,192
Average % on Financial Aid
20%
40%
Average Financial Aid Grant
$2,250
$4,910
Average Acceptance Rate
73%
81%

Students by Ethnicity:

0.53
0.62
# American Indian Students
n/a
298 Students
% American Indian Students
n/a
n/a
# Asian Students
24 Students
5,624 Students
% Asian Students
3%
6%
# Hispanic Students
44 Students
10,091 Students
% Hispanic Students
5%
11%
# Black Students
204 Students
9,671 Students
% Black Students
21%
11%
# White Students
624 Students
52,469 Students
% White Students
65%
58%
# Hawaiian Students
n/a
105 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
62 Students
12,125 Students
% of Others Students
6%
14%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
8 extracurriculars
14 extracurriculars
Average Number of Sports
8 sports
9 sports

Frequently Asked Questions

What are the top-ranked private high schools in St. Clair County, IL?
The top-ranked private high schools in St. Clair County, IL include Althoff Catholic High School and First Baptist Academy.
How many private high schools are located in St. Clair County?
7 private high schools are located in St. Clair County.
How diverse are private high schools in St. Clair County?
St. Clair County private high schools are approximately 32% minority students, which is lower than the Illinois private school average of 35%.
What percentage of private high schools are religiously affiliated in St. Clair County?
43% of private high schools in St. Clair County are religiously affiliated (most commonly Baptist and Catholic).

Recent Articles

Parent Engagement in 草榴社区 Schools in 2026
Parent Engagement in 草榴社区 Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating 草榴社区 School Selection in 2026
So Many Choices: Navigating 草榴社区 School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
2026 Roadmap to Starting a 草榴社区 School
2026 Roadmap to Starting a 草榴社区 School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.