St Mary Catholic School in Centralis, IL founded in 1867, offers Pre-Kindergarten through Grade Eight education to members of St. Mary and St. Lawrence parishes and the greater Marion County community.
In partnership with the parents and guardian, St. Mary Cathoilic School provides a Christian atmosphere that allows for the development of the whole child, striving to nurture acceptance, respect, self-discipline, and responsibility. Love and caring for others is fostered through the teaching of the Catholic faith and the living of Christian values.
St. Mary Catholic School, a leader in the community, is dedicated to high standards of personal and academic achievement in order that the students will reach their full potential.
Quick Facts (2026)
- Top-Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 114 students
- Yearly Tuition: $4,000
- Average class size: 20 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary School ranks among the top 20% of private schools in Illinois for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1867
Student Body
Total Students
114 students
Student Body Type
Co-ed
% Students of Color
11%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
7 teachers
Student-Teacher Ratio
16:1
National avg.:
% Faculty w/Advanced Degree
20%
Average Class Size
20 students
Classroom Dress Code
Formal
French Toast Uniform
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Sports
Total Sports Offered
6 sports
Source: Verified school update
Frequently Asked Questions
How much does St. Mary School cost?
St. Mary School's tuition is approximately $4,000 for private students.
What schools are St. Mary School often compared to?
St. Mary School is often viewed alongside schools like New Horizon Christian School, Trinity Lutheran School by visitors of our site.
What sports does St. Mary School offer?
St. Mary School offers 6 interscholastic sports: Baseball, Basketball, Cross Country, Softball, Track and Field and Volleyball.
What is St. Mary School's ranking?
St. Mary School ranks among the top 20% of private schools in Illinois for: Least expensive tuition and Oldest founding date.
When is the application deadline for St. Mary School?
The application deadline for St. Mary School is rolling (applications are reviewed as they are received year-round).
School Reviews
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