St. Marys School serves 118 students in grades Kindergarten-8, is a member of the National Catholic Educational Association (NCEA).
The student:teacher of St. Marys School is 12:1 and the school's religious affiliation is Catholic.
Quick Facts (2025-26)
- Top Ranked MO School
- Grades: Kindergarten-8
- Enrollment: 118 students
- Yearly Tuition: $25,000
- 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 Missouri for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten-8
Year Founded
1905
Last Day of School
Mon. May 25, 2026
Campus Size
50 acres
Student Body
Total Students
118 students
Student Body Type
Co-ed
% Students of Color
2%
State avg.: 20%
Students by Grade
Academics and Faculty
Total Classroom Teachers
10 teachers
Student-Teacher Ratio
12:1
National avg.: 13:1
Number of AP Courses
15 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$25,000
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 (Graduated 1995) -
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
How much does St. Marys School cost?
St. Marys School's tuition is approximately $25,000 for private students.
Who are famous alumni from St. Marys School?
St. Marys School famous alumni include: John Doe, Nobel Laureate (Graduated 1995).
What is St. Marys School's ranking?
St. Marys School ranks among the top 20% of private schools in Missouri for: Oldest founding date and Largest endowments.
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).
School Reviews
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