MICDS is a secular, co-educational, independent school home to more than 1,250 students ranging from grades Junior Kindergarten through 12.
Its 110-acre campus is located in the St. Louis suburb of Ladue.
Each of the school's three divisions operate somewhat independently as a "school within a school".
Quick Stats (2025)
- Top Ranked MO School
- Grades: Kindergarten-12
- Enrollment: 1,265 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Mary Institute And Saint Louis Country Day School ranks among the top 20% of private schools in Missouri for:
Category
Attribute
Student Body
School Overview
Student Body
Total Students
1,265 students
Student Body Type
Co-ed
% Students of Color
29%
State avg.: 21%
Students by Grade
Academics and Faculty
Total Classroom Teachers
121 teachers
Student : Teacher Ratio
10:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- School Mascot: Ram
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What is Mary Institute And Saint Louis Country Day School's ranking?
Mary Institute And Saint Louis Country Day School ranks among the top 20% of private schools in Missouri for: Largest student body.
When is the application deadline for Mary Institute And Saint Louis Country Day School?
The application deadline for Mary Institute And Saint Louis Country Day School is rolling (applications are reviewed as they are received year-round).
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The nearest high school, elementary school and preschool to Mary Institute And Saint Louis Country Day School is Mary Institute & St. Louis Country Day School (0.2 miles away)
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School Reviews
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