Indian Mountain School (IMS) is a boarding and day school for students from Pre-Kindergarten to Grade 9, and is located on a 600 acre campus in Lakeville, CT. The boarding program begins in grade 5 and includes both a 5 day and 7 day option.
The curriculum is designed with the understanding that our students have the power to effect real change, and that it is our job to help them realize that potential.
With a blend of passion-based learning and essential foundational skills, we accelerate the path towards discovery and secondary school preparedness, while preserving the spirit of childhood and adventure.
Quick Stats (2025)
- Grades: (Boarding Students) 5-9
- Grades: (Day Students) PK-9
- Enrollment: 300 students
- Yearly Tuition (Boarding Students): $80,170
- Yearly Tuition (Day Students): $43,030
- Acceptance rate: 40%
- Average class size: 12 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Indian Mountain School ranks among the top 20 boarding schools (out of 280 schools) for:
Category
Attribute
Student Attention
School Overview
Definition of Terms | 2024 School Data
Indian Mountain School
School Focus
Grades Offered (Boarding)
5-9
Grades Offered (Day)
PK-9
School Type
Co-ed
ADD/ADHD Support
Supports Learning Differences (LD)
Religious Affiliation
Year Founded
1922
Campus Size
600 acres
Colors
Maroon, Grey
School Calendar
Student Body
Enrollment
300 students
% Students of Color
10%
% International Students
25%
% Students Boarding
35%
Academics and Faculty
Saturday Classes
No
Classroom Dress Code
Average Class Size
12 students
Student : Teacher Ratio
4:1
ESL Courses Offered
% Faculty with Advanced Degree
20%
Summer Program Offered
Summer Program Details
Tuition Cost
Endowment Size
$12 million
Yearly Tuition
(Boarding Students)
(Boarding Students)
$80,170
Yearly Tuition
(Day Students)
(Day Students)
$43,030
Tuition international students
$86,110
Yearly Tuition
(5 Day Boarding)
(5 Day Boarding)
$75,165
% Students on Financial Aid
34%
Avg. Financial Aid Grant
$19,000
Merit Scholarships Offered
Admissions
Application Deadline
None / Rolling
Acceptance Rate
40%
Director of Admissions
Charles Brown
Application URL
Sports
# Interscholastic Sports Offered
21
Extracurriculars
Total Extracurricular Organizations
23
Extracurriculars
Club or Organization:
"Magic, Coding Club, Kiski Service Organization, Robotics, Robotics Club, Skiing, Snowboarding, Ultimate Frisbee, Basketball, Running, Ukulele, Website
Arts and Music Programs:
Chit Chat Club, Gamers Club, Pottery, Rock, Stone, Student Action Leadership Team, The Springs Club, Wood
Recreational Athletic Programs:
Outdoor, Skiing, Tennis
"Magic, Coding Club, Kiski Service Organization, Robotics, Robotics Club, Skiing, Snowboarding, Ultimate Frisbee, Basketball, Running, Ukulele, Website
Arts and Music Programs:
Chit Chat Club, Gamers Club, Pottery, Rock, Stone, Student Action Leadership Team, The Springs Club, Wood
Recreational Athletic Programs:
Outdoor, Skiing, Tennis
College Matriculation
Year:
10 Most Popular College Choices (# Enrolled)
School Notes
- School Motto: Life through Service
- School Mascot: Falcon
- At Indian Mountain School, you will find a vibrant, joyful community of learners where every child is known, supported, and inspired. We are deeply committed to the learning process, understanding that learning and growth are rarely linear. Our teachers, at every level, provide equal measures of challenge and support and believe that all students thrive in a learning environment rooted in connection and community.
- At Indian Mountain School, our students are engaged in meaningful learning that interests them, inspires them, and exposes them to challenges and opportunities we face in the world. We believe in the importance of embracing complex topics, and always do so from a place of honesty, compassion, and respect. Our students are better for it. And at the same time, we ensure that joy is infused into the IMS experience because nothing is more important than preserving the spirit of childhood. We believe that rigor and fun are not mutually exclusive.
- Our mountain and adventure education program inspire our approach. We recognize that in life, and in learning, it takes courage to wander from an expected path, take in the view, and consider different perspectives. I am hopeful for our future because this is what we see each day from our students. Thank you for your interest in Indian Mountain School. We are eager to welcome you.
- Jody Reilly Soja
- Head of School
- Indian Mountain School accreditations: Junior Boarding Schools Association
- Sample of notable school alumni/alumnae:
- John Avildsen - Director of the Karate Kid and Rocky.
Source: Verified school update
Frequently Asked Questions
How much does Indian Mountain School cost?
Indian Mountain School's tuition is approximately $80,170 for boarding students and $43,030 for day students.
What schools are Indian Mountain School often compared to?
Indian Mountain Schoolis often viewed alongside schools like Rectory School by visitors of our site.
What is the acceptance rate of Indian Mountain School?
The acceptance rate of Indian Mountain School is 40%, which is lower than the boarding school average of 64%.
Who are famous alumni from Indian Mountain School?
Indian Mountain School famous alumni include: John Avildsen.
What sports does Indian Mountain School offer?
Indian Mountain School offers 21 interscholastic sports: Alpine Skiing, Baseball, Basketball, Climbing, Cross Country, Cross Country Running, Dance, Equestrian, Golf, Ice Hockey, Lacrosse, Mountain Biking, Mountaineering, Rock Climbing, Snowboarding, Soccer, Softball, Squash, Swimming, Tennis and Volleyball.
Does Indian Mountain School offer a summer program?
Yes, Indian Mountain School offers a summer program. Visit their summer school page for more information.
What is Indian Mountain School's ranking?
Indian Mountain School ranks among the top 20 boarding schools for Low student:teacher ratio.
When is the application deadline for Indian Mountain School?
The application deadline for Indian Mountain School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
Popular comparisons: Indian Mountain School vs. Rectory School
People that viewed Indian Mountain School also viewed these schools: Rectory School, The Bement School, Fay School, North Country School and The MacDuffie School.
The nearest boarding school to Indian Mountain School is Salisbury School (5.7 miles away)
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Location
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Grades
Students
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