St. Auin School in Chesterfield, MO is a Catholic co鈥揺d private school serving preschool through 8th grade in a suburban community.
The school enrolls 155 udents with a student鈥搕eacher ratio of 16:1 and employs 10 teachers.
Approximately 9% of the udent body identify as students of color, reflecting some diversity in the student population.
Auin School is one of several private options in the Chesterfield area offering elementary and middle school education within 2 miles.
The school's tuition aligns with the Cheerfield average, which is $19,055 for elementary schools.
Quick Facts (2026)
- Grades: Prekindergarten-8
- Enrollment: 155 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Student Body
Total Students
155 students
Student Body Type
Co-ed
% Students of Color
9%
State avg.: 20%
Students by Grade
Academics and Faculty
Total Classroom Teachers
10 teachers
Student-Teacher Ratio
16:1
National avg.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. Austin School?
The application deadline for St. Austin School is rolling (applications are reviewed as they are received year-round).
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