St. Marys School serves 144 students in grades Prekindergarten-8, is a member of the National Catholic Educational Association (NCEA).
The student:teacher of St. Marys School is 8:1 and the school's religious affiliation is Catholic.
Quick Facts (2025-26)
- Top Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 144 students
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Marys School ranks among the top 20% of private schools in Illinois for:
Category
Attribute
School History
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1867
School Calendar
Student Body
Total Students
144 students
Student Body Type
Co-ed
% Students of Color
45%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
18 teachers
Student-Teacher Ratio
8:1
National avg.: 13:1
Average Class Size
15 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
Please call for tuition rates. We offer parish member and non-parish member rates, multi-child discounts, and payment options. Please call for details.
% on Financial Aid
27%
Admissions Director
Trish Boyd, Principal
Application URL
Sports
Total Sports Offered
4 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
6 extracurriculars
ExtracurricularsExtra-curric.
BandChess Club
ChoirDrama Club
ScoutingStudent Council
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What schools are St. Marys School often compared to?
St. Marys School is often viewed alongside schools like Corpus Christi Catholic School by visitors of our site.
What sports does St. Marys School offer?
St. Marys School offers 4 interscholastic sports: Basketball, Cheering, Track and Field and Volleyball.
What is St. Marys School's ranking?
St. Marys School ranks among the top 20% of private schools in Illinois for: Oldest founding date.
When is the application deadline for St. Marys School?
The application deadline for St. Marys School is rolling (applications are reviewed as they are received year-round).
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