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 (2026)
Grades: Prekindergarten-8
Enrollment: 215 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)
Explore how private schools are advancing sustainability in 2026 through green campuses, eco-curriculum, and climate leadership initiatives.
Quick Facts (2026)
Grades: Prekindergarten-8
Enrollment: 215 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)
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Did You Know?
The average private school tuition in Lake County, IL is $12,928 for elementary schools and $20,901 for high schools (read more about average private school tuition across the country).
