Under the patronage and example of our Blessed Mother, Immaculate Conception High School inspires students to live the Catholic faith in service to their school and community.
Our faith community offers endless opportunities, so our young men and women are well prepared to confidently face life's challenges, enabling them to live meaningful lives and make a positive difference in the world.
The purpose of Immaculate Conception High School is to encourage students to achieve his/her maximum potential through a college-oriented curriculum designed to develop the whole person.
These goals include: Catholic formation; intellectual, emotional and physical development; social consciousness; and cultural awareness.
With this purpose in mind, students, faculty, administration, and parents of Immaculate Conception High School work together under the patronage of the Blessed Mother to form a worshipping, learning, serving, and loving Christ-centered community.
Quick Stats (2025)
- Top Ranked IL School
- Grades: 9-12
- Enrollment: 371 students
- Yearly Tuition: $15,810
- Acceptance rate: 100%
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Ic Catholic Prep ranks among the top 20% of private schools in Illinois for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1936
First Day of School
Fri. Aug 15, 2025
School Mascot
Knights
Student Body
Total Students
371 students
Student Body Type
Co-ed
% Students of Color
41%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
40 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
Number of AP Courses
15 courses
School Colors
White, Navy Blue
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$15,810
Acceptance Rate
100%
National avg.: 81%
Application URL
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does Ic Catholic Prep cost?
Ic Catholic Prep's tuition is approximately $15,810 for private students.
What is the acceptance rate of Ic Catholic Prep?
The acceptance rate of Ic Catholic Prep is 100%, which is higher than the national average of 84%.
What is Ic Catholic Prep's ranking?
Ic Catholic Prep ranks among the top 20% of private schools in Illinois for: Largest student body and Most AP courses offered.
When is the application deadline for Ic Catholic Prep?
The application deadline for Ic Catholic Prep is rolling (applications are reviewed as they are received year-round).
School Reviews
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