Marianapolis is an independent, co-educational, Catholic, boarding and day school located in Thompson, CT for grades 9-12 and postgraduate.
We have a vibrant and energetic student body of 300 students from states around the U.S. and 22 countries worldwide.
Quick Stats (2025)
- Top Ranked CT School
- Grades: 9-12
- Enrollment: 300 students
- Yearly Tuition: $19,733
- Average class size: 12 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Marianapolis Preparatory School ranks among the top 20% of private schools in Connecticut for:
Category
Attribute
Student Body
Sports offered
Extracurriculars
School Overview
Religious Affiliation
Grades Offered
Grades 9-12
Offers Post-Graduate Year
Yes
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
dyslexia, dysgraphia, some accommodations provided
Year Founded
1926
Summer School Offered
Yes
Summer Program Details
School Calendar
First Day of School
Wed. Sep 3, 2025
Last Day of School
Sun. May 24, 2026
School Motto
Educate, Prepare, Serve
School Mascot
Knight
Student Body
Total Students
300 students
Student Body Type
Co-ed
% Students of Color
32%
State avg.: 31%
Students by Grade

Academics and Faculty
Total Classroom Teachers
46 teachers
Student : Teacher Ratio
7:1
National avg.: 13:1
% Faculty w/Advanced Degree
71%
Average Class Size
12 students
Number of AP Courses
22 courses
List of Courses Offered
Advanced Courses
Biology, Calculus AB, Calculus BC, Chemistry, Computer Science A, Computer Science Principles, English Language & Composition, English Literature & Composition, Government and Politics, Microeconomics, Modern European History, Music Theory, Physics, Psychology, Spanish Language, Spanish Literature & Culture, Statistics, Studio Art, United States History
Classroom Dress Code
Formal
Formal
School Colors
Maroon, Gold
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$19,733
Tuition Notes
$19,733.00 Day, $35,000 5-Day Residential, $55,000.00 7-Day Residential, $6,000.00 English Language Fee (if needed)
Summer Program Cost
$1,100
Summer Program Cost Notes
% on Financial Aid
65%
Admissions Director
Jane Hanrahan
Admissions Associate
Matthew Hoeniger
Application URL
Sports
Total Sports Offered
17 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
38 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Ambassador Club, Camp Stonewall, Campus Activities Board, Captains Council, Chinese Language and Culture Club, Chinese National Honor Society, Class Officers, Community Service Council, Disaster Relief Club, Film Club, Food and Culture Club, Green Knights, Math and Science Center, Media Team, National Honor Society, NOSB Team, Orientation Leaders, Peer Leaders, Resident Assistants, Robotics Club, SHIELD, SLAM Leaders, Sociedad Honoraria Hispanica, Spiritus Leader, Spring Break Abroad, Student Council, Tech Crew, Tech Innovation Club, Tour Guides, Wellness Leaders, Writing Center, Yearbook
Arts and Music Programs:
Calliope, Drama, Music in the Morning, Schola Choir
Recreational Athletic Programs:
Dance, Math Team
Ambassador Club, Camp Stonewall, Campus Activities Board, Captains Council, Chinese Language and Culture Club, Chinese National Honor Society, Class Officers, Community Service Council, Disaster Relief Club, Film Club, Food and Culture Club, Green Knights, Math and Science Center, Media Team, National Honor Society, NOSB Team, Orientation Leaders, Peer Leaders, Resident Assistants, Robotics Club, SHIELD, SLAM Leaders, Sociedad Honoraria Hispanica, Spiritus Leader, Spring Break Abroad, Student Council, Tech Crew, Tech Innovation Club, Tour Guides, Wellness Leaders, Writing Center, Yearbook
Arts and Music Programs:
Calliope, Drama, Music in the Morning, Schola Choir
Recreational Athletic Programs:
Dance, Math Team
School Notes
- At Marianapolis, students are involved in activities across disciplines and are constantly challenging themselves to set new goals and break molds.Our curriculum encourages students to think creatively and to articulate ideas effectively.Learning by doing is a hallmark of a Marianapolis education through project-based learning platforms such as Centers of Excellence, LEAP Week, and Experiential Learning.The Centers of Excellence allows students to pursue a specialized diploma in a specific academic track that includes an internship, and culminates in a yearlong capstone independent study project.LEAP Week (Live. Experience. Advance. Prepare.) is a one-week mini-term course requirement in May during which groups of students and faculty explore a specific topic, project, or adventure.These signature programs have them applying what they are learning in the classroom to real world situations on and off campus as well as helping our students stand out within the college admission process.With over 40 clubs and organizations, as well as a plethora of athletic opportunities, Marianapolis graduates are confident, conscientious youngadults ready to lead.
Source: Verified school update
Frequently Asked Questions
How much does Marianapolis Preparatory School cost?
Marianapolis Preparatory School's tuition is approximately $19,733 for private students and $1,100 for summer students.
What schools are Marianapolis Preparatory School often compared to?
Marianapolis Preparatory School is often viewed alongside schools like Pomfret School by visitors of our site.
Does Marianapolis Preparatory School offer a summer program?
Yes, Marianapolis Preparatory School offers a summer program. Visit their summer school page for more information.
What sports does Marianapolis Preparatory School offer?
Marianapolis Preparatory School offers 17 interscholastic sports: Badminton, Baseball, Basketball, Crew, Cross Country, Field Hockey, Golf, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field, Ultimate Frisbee, Volleyball, Winter Track and Wrestling. Marianapolis Preparatory School is ranked as one of the top 20% of private schools in Connecticut for most sports offered.
What is Marianapolis Preparatory School's ranking?
Marianapolis Preparatory School ranks among the top 20% of private schools in Connecticut for: Largest student body, Most sports offered and Most extracurriculars offered.
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).
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