St. Marys is dedicated to giving children a good academic and religious education.
The instructional staff is comprised of highly qualified and certified lay people as well as priests from St. Marys Parish, and Sisters from the Convent of St. Francis of the Martyr St. George.
There are currently over 340 students enrolled in the school, which offers classes from Kindergarten through eighth grade.
St. Mary's also has a 3- and 4-year-old pre-school program, which runs half-day instructional classes.
Quick Facts (2026)
- Top-Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 337 students
- Yearly Tuition: $6,130
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
St. Mary School ranks among the top 20% of private schools in Illinois for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
School Calendar
Last Day of School
Fri. May 15, 2026
Student Body
Total Students
337 students
Student Body Type
Co-ed
% Students of Color
50%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
22 teachers
Student-Teacher Ratio
15:1
National avg.:
Average Class Size
15 students
Tuition and Acceptance Rate
School Notes
- School Motto: Educating Hearts and Minds.
- St. Marys is dedicated to giving children a good academic and religious education. The instructional staff is comprised of highly qualified and certified lay people as well as priests from St. Marys Parish, and Sisters from the Convent of St. Francis of the Martyr St. George. There are currently over 340 students enrolled in the school, which offers classes from Kindergarten through eighth grade. St. Mary's also has a 3- and 4-year-old pre-school program, which runs half-day instructional classes.
- Sample of notable school alumni/alumnae:
- Mike Adams, Professional Football Player
- Terry Adams, MLB Player
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does St. Mary School cost?
St. Mary School's tuition is approximately $6,130 for private students.
Who are famous alumni from St. Mary School?
St. Mary School famous alumni include: Mike Adams, Professional Football Player and Terry Adams, MLB Player.
What is St. Mary School's ranking?
St. Mary School ranks among the top 20% of private schools in Illinois for: Largest student body.
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
Endorse St. Mary 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
Parent Engagement in 草榴社区 Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating 草榴社区 School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
2026 Roadmap to Starting a 草榴社区 School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.
