Mater Dei, a Catholic, diocesan, regional high school, nurtures the spiritual, moral, intellectual, emotional, and social growth of young men and women.
In a caring environment, respectful of individual differences, her comprehensive program educates, fosters faith and develops gospel values.
Quick Stats (2025)
- Top Ranked IL School
- Grades: 9-12
- Enrollment: 383 students
- Yearly Tuition: $6,310
- Average class size: 16 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Mater Dei High School 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
1954
Colors
White, Navy Blue, Columbia blue
School Calendar
Student Body
Total Students
383 students
Student Body Type
Co-ed
% Students of Color
5%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
30 teachers
Student : Teacher Ratio
13:1
National avg.: 13:1
% Faculty w/Advanced Degree
50%
Average Class Size
16 students
Number of AP Courses
2 courses
Average ACT score
24
(Out of 36)
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
Sports
Total Sports Offered
12 sports
Sports
School Notes
- Mater Dei, a Catholic, diocesan, regional high school, nurtures the spiritual, moral, intellectual, emotional, and social growth of young men and women. In a caring environment, respectful of individual differences, her comprehensive program educates, fosters faith and develops gospel values.
Source: Verified school update
Frequently Asked Questions
How much does Mater Dei High School cost?
Mater Dei High School's tuition is approximately $6,310 for private students.
What sports does Mater Dei High School offer?
Mater Dei High School offers 12 interscholastic sports: Baseball, Basketball, Bowling, Cheering, Cross Country, Football, Golf, Soccer, Softball, Swimming, Volleyball and Weightlifting. Mater Dei High School is ranked as one of the top 20% of private schools in Illinois for most sports offered.
What is Mater Dei High School's ranking?
Mater Dei High School ranks among the top 20% of private schools in Illinois for: Largest student body and Most sports offered.
When is the application deadline for Mater Dei High School?
The application deadline for Mater Dei High School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Mater Dei High School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Is It Easier to Land a Private School Job When You're Already Employed?
Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.
How to Secure a Private School Job When You're Unemployed Without the Stigma
Finding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.
The Private School Job Hunt: Insider Tips for Employed & Unemployed Educators
Navigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.
