Immaculate Conception School, operating as part of the mission of Immaculate Conception Parish, the Diocese of Belleville, and the Universal Church, exists to proclaim the Gospel, teach the doctrinal tradition and moral standards of the Church, promote personal and intellectual growth, social development, and faith formation.
A commitment to social justice, global solidarity, and a preferential option for the poor are included within its mission.
The example and teachings of Jesus Christ provide the inspiration and context of education in the school.
Mission, community, and service have been the watchwords of Immaculate Conception School since 1853.
ICS is also well known in the Metro-East area for its tradition of academic excellence and commitment to innovation.
Quick Facts (2025-26)
- Grades: Prekindergarten-8
- Enrollment: 215 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
215 students
Student Body Type
Co-ed
% Students of Color
79%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
9 teachers
Student-Teacher Ratio
24:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for Immaculate Conception School?
The application deadline for Immaculate Conception School is rolling (applications are reviewed as they are received year-round).
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