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
- 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
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
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
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).
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