For the 2025-26 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 lower than the Illinois private high school average acceptance rate of 82%.
33% of private high schools in Belleville, IL are religiously affiliated (most commonly Catholic).
Top Ranked Belleville Private High Schools (2025-26)
School
Location
Quick Facts
Althoff Catholic High School![Althoff Catholic High School Photo]( "Althoff Catholic High School Photo")
(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 Sports: 15 | Extracurrculars: 9 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: 7 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 Private 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
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).
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