Althoff Catholic High School
PrivateHighGrades 9–12Catholic
5401 W Main St, Belleville, IL 62226 · (618) 235-1100
Belleville’s School Grade B− better than 45% of Illinois school districts
Students
335
Students per teacher
15:1
Setting
Suburb
Grades
9–12
What stands out about Althoff Catholic High School
- Private school: it doesn’t take Illinois’s state tests
Location
Directions ↗5401 W Main St, Belleville
Students
Enrollment by grade
Grade 983
Grade 1091
Grade 1190
Grade 1271
Who goes here
White 68%Black 21%Hispanic 6%Asian 2%Two or more races 2%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about Althoff Catholic High School from Belleville families.
School facts: U.S. Department of Education (NCES), 2023–2024 school year. Map: © OpenStreetMap contributors.