For the 2026 school year, there is 1 private high school serving 323 students in 62226, IL.
The top-ranked private high school in 62226, IL is Althoff Catholic High School.
The average acceptance rate is 20%, which is lower than the Illinois private high school average acceptance rate of 81%.
100% of private high schools in 62226, IL are religiously affiliated (most commonly Catholic).
Top-Ranked 62226 Illinois Private High Schools (2026)
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
62226, Illinois Private Schools (Closed)
School
Location
Quick Facts
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 62226, IL?
The top-ranked private high schools in 62226, IL is Althoff Catholic High School.
How many private high schools are located in 62226?
1 private high schools are located in 62226.
What percentage of private high schools are religiously affiliated in 62226?
100% of private high schools in 62226 are religiously affiliated (most commonly Catholic).
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