Quick Stats (2025)
- Grades: 9-12, PG
- Enrollment: 213 students
- Yearly Tuition (Boarding Students): $23,575
- Average class size: 13 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Marianapolis Preparatory School ranks among the top 20 boarding schools (out of 276 schools) for:
Category
Attribute
Affordability
Affordability
School Overview
School Focus
College Preparatory
College Preparatory
School Type
Co-ed
Co-ed
Year Founded
1926
1907
Campus Size
300 acres
125 acres
School Calendar
Student Body
Enrollment
213 students
319 students
% International Students
33%
21%
% Students Boarding
34%
70%
Offers Post-Grad Year
Yes
No
Academics and Faculty
Saturday Classes
No
No
Student : Teacher Ratio
8:1
7:1
# of AP / Advanced Courses Offered
7
18
% Faculty with Advanced Degree
50%
72%
Tuition Cost
Yearly Tuition
(Boarding Students)
(Boarding Students)
$23,575
$66,750
Yearly Tuition
(Day Students)
(Day Students)
n/a
$36,400
% Students on Financial Aid
67%
40%
Merit Scholarships Offered
No
No
Admissions
School Notes
- NONE
Source: Verified school update
Frequently Asked Questions
How much does Marianapolis Preparatory School cost?
Marianapolis Preparatory School's tuition is approximately $23,575 for boarding students.
What is Marianapolis Preparatory School's ranking?
Marianapolis Preparatory School ranks among the top 20 boarding schools for Least expensive tuition and High percentage of students on financial aid.
When is the application deadline for Marianapolis Preparatory School?
The application deadline for Marianapolis Preparatory School is rolling (applications are reviewed as they are received year-round).
Recent Articles

Education Beyond the Classroom: The Role of Outdoor Adventure in Shaping Young Minds
The concept of outdoor education dates back to the early 20th century as educators sought ways to engage students beyond traditional methods. Early efforts initially focused on direct, experiential learning in nature, but later evolved to incorporate academics, collaborative skills, and a focus on environmental responsibility. Outdoor education today equips students with critical life skills, preparing them for the world beyond the classroom.

Academics: International Baccalaureate & Advanced Placement
We compare and contrast the International Baccalaureate Diploma Programme and Advanced Placement. We also explore their distinct educational philosophies, curriculum structures, assessment methods, and global recognition to help students and parents make informed decisions about which rigorous academic program best suits their educational goals and learning preferences.

February 09, 2025
America's Elite Catholic Boarding Schools: Tradition Meets ExcellenceExplore the distinguished world of America's top Catholic boarding schools, where academic excellence, athletic achievement, and Catholic values create a transformative educational experience. This comprehensive overview highlights ten institutions that exemplify the finest in Catholic secondary education.