Mary Institute And Saint Louis Country Day School

Mary Institute And Saint Louis Country Day School serves 1265 students in grades Kindergarten-12.
The student:teacher of Mary Institute And Saint Louis Country Day School is 10:1 and the school's religious affiliation is Nonsectarian.

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

School Overview

Religious Affiliation
Grades Offered
Grades Kindergarten-12

Student Body

Total Students
1,265 students
Student Body Type
Co-ed
% Students of Color
29%
State avg.: 20%
Students by Grade
Mary Institute And Saint Louis Country Day School Student 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
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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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)

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Did You Know?

The average private school tuition in Saint Louis, MO is $17,994 for elementary schools and $19,963 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Saint Louis, MO is 83% (read more about average acceptance rates across the country).

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