St. Mary School is a small Roman Catholic School with a STREAM based education.
Quick Facts (2025-26)
- Top Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 74 students
- Yearly Tuition: $25,000
- Acceptance rate: 25%
- Average class size: 15 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Mary Elementary School ranks among the top 20% of private schools in Illinois for:
Category
Attribute
Acceptance Rate
AP Courses
School Resources
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1924
Last Day of School
Mon. May 25, 2026
Campus Size
50 acres
Student Body
Total Students
74 students
Student Body Type
Co-ed
% Students of Color
5%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
6 teachers
Student-Teacher Ratio
12:1
National avg.: 13:1
Average Class Size
15 students
Number of AP Courses
15 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$25,000
Acceptance Rate
25%
National avg.: 81%
Endowment Size
$50 million
School Notes
- School Motto: Truth and Honor
- School Mascot: Wild Boars
- Sample of notable school alumni/alumnae:
- John Doe, Nobel Laureate -
Source: Verified school update
Frequently Asked Questions
How much does St. Mary Elementary School cost?
St. Mary Elementary School's tuition is approximately $25,000 for private students.
What is the acceptance rate of St. Mary Elementary School?
The acceptance rate of St. Mary Elementary School is 25%, which is lower than the national average of 84%. St. Mary Elementary School's acceptance rate is ranked among the top private schools in Illinois with low acceptance rates.
Who are famous alumni from St. Mary Elementary School?
St. Mary Elementary School famous alumni include: John Doe, Nobel Laureate.
What is St. Mary Elementary School's ranking?
St. Mary Elementary School ranks among the top 20% of private schools in Illinois for: Lowest average acceptance rates, Most AP courses offered and Largest endowments.
When is the application deadline for St. Mary Elementary School?
The application deadline for St. Mary Elementary School is rolling (applications are reviewed as they are received year-round).
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