Chaminade College Preparatory School in Saint Louis, MO, is an all–boys Catholic private school serving grades 6 through 12 in a large suburban community.
Founded in 1910, the school enrolls approximately 832 students with a student–teacher ratio of 10:1 supported by 85 teachers.
The school offers 110 Advanced Placement courses, the highest number among private schools in Saint Louis, and has a student body that is 15.4% students of color.
Annual tuition for Chaminade College Preparatory School is $25,500, above the average private high school tuition in Saint Louis.
Chaminade ranks in the top 20% of private schools in Missouri for enrollment size and number of AP courses offered.
Quick Facts (2026)
- Top-Ranked MO School
- Grades: 6-12
- Enrollment: 832 students
- Yearly Tuition: $25,500
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Chaminade College Preparatory School ranks among the top 20% of private schools in Missouri for:
School Overview
Religious Affiliation
Grades Offered
Grades 6-12
Year Founded
1910
Colors
White, Cardinal
Campus Size
55 acres (220,000 m2)
Student Body
Total Students
832 students
Student Body Type
% Students of Color
15%
State avg.: 20%
Students by Grade
Academics and Faculty
Total Classroom Teachers
85 teachers
Student-Teacher Ratio
10:1
National avg.: 13:1
Average Class Size
18 students
Number of AP Courses
110 courses
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$25,500
Application URL
School Notes
- School Motto: Esto Vir
- School Mascot: Crusaders
Source: Verified school update
Frequently Asked Questions
How much does Chaminade College Preparatory School cost?
Chaminade College Preparatory School's tuition is approximately $25,500 for private students.
What is Chaminade College Preparatory School's ranking?
Chaminade College Preparatory School ranks among the top 20% of private schools in Missouri for: Largest student body and Most AP courses offered.
When is the application deadline for Chaminade College Preparatory School?
The application deadline for Chaminade College Preparatory School is rolling (applications are reviewed as they are received year-round).
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