Marianapolis Preparatory School is a private, co-educational, Catholic high school located in Thompson, Connecticut.
Quick Facts (2026)
- Grades: 9-12, PG
- Enrollment: 213 students
- Yearly Tuition (Boarding Students): $23,575
- Yearly Tuition (Day Students): $21,500
- Average class size: 13 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Focus
College Preparatory
College Preparatory
School Type
Co-ed
Co-ed
Year Founded
1926
1909
Campus Size
300 acres
125 acres
School Calendar
Student Body
Enrollment
213 students
300 students
% International Students
33%
20%
% Students Boarding
34%
70%
Offers Post-Grad Year
Yes
No
Academic Profile
Saturday Classes
No
No
Student-Teacher Ratio
8:1
7:1
# of AP / Advanced Courses Offered
7
17
% Faculty with Advanced Degree
50%
70%
Accreditations
National Association of Independent Schools (NAIS)
Enrollment Management Association (EMA)
Small Boarding School Association (SBSA)
Independent Educational Consultants Association (IECA)
Catholic Boarding Schools Association (CBSA)
Connecticut Association of Independent Schools (CAIS)
Enrollment Management Association (EMA)
Small Boarding School Association (SBSA)
Independent Educational Consultants Association (IECA)
Catholic Boarding Schools Association (CBSA)
Connecticut Association of Independent Schools (CAIS)
# of AP / Advanced Courses Offered
7
17
Tuition & Financial Aid
Yearly Tuition
(Boarding Students)
(Boarding Students)
$23,575
$59,900
Yearly Tuition
(Day Students)
(Day Students)
$21,500
$33,500
% Students on Financial Aid
67%
40%
Admissions
Application URL
Sports
Colors
Maroon, Gold
School Mascot
Golden Knights
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 and $21,500 for day students.
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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The nearest boarding school to Marianapolis Preparatory School is Rectory School (7.8 miles away)
Distance: 84.3 mi
Gr: 9-12, PG | 332 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Tuition listed
Catholic heritage
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3832
Distance: 59.5 mi
Gr: 9-12, PG | 1,169 students
Student-teacher ratio: 7:1
Avg. class size: 13 students
Acceptance rate: 13%
Tuition listed
180 Main Street
Andover, MA 01810
(978) 749-4050
Ashburnham, MA
Distance: 45.4 mi
Gr: 9-12, PG | 385 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Tuition listed
39 School Street
Ashburnham, MA 01430
(978) 827-7300
Distance: 44.8 mi
Gr: 9-12 | K-12 (day) | 714 students
Student-teacher ratio: 5:1
Avg. class size: 14 students
Acceptance rate: 13%
Tuition listed
170 Centre Street
Milton, MA 02186
(617) 898-2227
Distance: 7.8 mi
Gr: 5-9 | PK-9 (day) | 250 students
Student-teacher ratio: 4:1
Avg. class size: 10 students
Tuition listed
P.O. Box 68 528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Distance: 8.0 mi
Gr: 9-12, PG | 350 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Tuition listed
PO Box 128, 398 Pomfret Street
Pomfret, CT 06258
(860) 963-6120
Distance: 19.5 mi
Gr: 9-12, PG | 6-12, PG (day) | 508 students
Student-teacher ratio: 14:1
Avg. class size: 14 students
Acceptance rate: 65%
Tuition listed
81 Providence Street
Worcester, MA 01604
(508) 459-5481
Distance: 27.3 mi
Gr: 9-12 | 40 students
Student-teacher ratio: 4:1
Avg. class size: 8 students
Acceptance rate: 90%
Tuition listed
All-girls (Roman Catholic)
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
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