Private School Review - Established 2003

Missoula International School

808 South Third Street West Missoula, MT 59801
Tel: (406) 542-9924
www.mismt.org

Quick Facts (2026)

  • Top Ranked MT School
  • School Type: Special Program Emphasis
  • Grades: Prekindergarten-8
  • Enrollment: 199 students
  • Yearly Tuition: $12,000
  • Acceptance rate: 75%
  • Average class size: 15 students
  • Application Deadline: Feb. 17 / rolling
  • Source: ✓Verified school update
Missoula International School Photo #1 - Our new school is located in the heart of Missoula with beautiful mountain views on all sides. Walking distance to the Clark Fork River and downtown
Missoula International School Photo #2 - Our new school is located in the heart of Missoula with beautiful mountain views on all sides. Walking distance to the Clark Fork River and downtown
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Quick Facts (2026)

  • Top Ranked MT School
  • School Type: Special Program Emphasis
  • Grades: Prekindergarten-8
  • Enrollment: 199 students
  • Yearly Tuition: $12,000
  • Acceptance rate: 75%
  • Average class size: 15 students
  • Application Deadline: Feb. 17 / rolling
  • Source: ✓Verified school update

School Rankings

Missoula International School ranks among the top 20% of private schools in Montana for:

Category
Attribute
Acceptance Rate
Lowest average acceptance rates
Advanced Degrees
Highest percentage of faculty with advanced degrees
Student Body
Largest student body

School Facts

School Type
School with Special Program Emphasis
School Membership(s)School Assoc.
National Association of Independent Schools (NAIS)
International Baccalaureate (IB) World School
NWAIS (Northwest Association of Independent Schools)
Religious Affiliation
Nonsectarian
Grades Offered
Grades Prekindergarten-8
Students By Grade

Distribution of Students By Grade

GradeMissoula International School
Nursery39
Pre-K12
Kind17
117
217
317
415
515
614
712
824
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

ADD/ADHD Support
Yes
Year Founded
1995
Summer School Offered
Yes
Summer Program Details
View Summer Program Details

Student Body

Total Students
199 students
Student Body Type
Co-ed
% Students of Color
10%
State avg.: 17%

Academics & Faculty

Total Classroom Teachers
30 teachers
Student-Teacher Ratio
7:1
National avg.: 11:1
% Faculty w/Advanced Degree
85%
Average Class Size
15 students
Classroom Dress Code
Casual

Tuition & Acceptance Rate

Admission Deadline
Feb. 17 / rolling
Yearly Tuition Cost
$12,000
View national tuition avg.
Tuition Notes
Tuition varies by grade level.
Summer Program Cost Notes
See website for pricing.
% on Financial Aid
30%
Average Financial Aid Grant
$7,300
Acceptance Rate
75%
National avg.: 82%
Admissions Director
Susan Beck

Sports

Total Sports Offered
4 sports
Sports
BasketballCross Country
SoccerTrack and Field

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
7 extracurriculars
ExtracurricularsExtra-curric.
First Lego League Robotics TeamMath Counts Team
Quiz Bowl Team


Recreational Athletic Programs:
Basketball TeamCross Country
SoccerTrack and Field

School Notes

  • a full language immersion environment which research proves increases cognitive development, literacy, cultural understanding and self-confidence
  • inquiry based learning environment that inspires creativity and critical thinking as the flagship International Baccalaureate (IB) World School in the Northwest authorized for the Primary Years Program (PYP) and the Middle Years Program (MYP)
  • classes organized in a multiage framework allowing for collaboration and learning in a variety of ways
  • a 21st century education using a STEAM (Science, Technology, Engineering, Arts, Math) based teaching approach
  • Social and Emotional Learning (SEL) help students develop social awareness and interpersonal skills
  • The Missoula International School (MIS), a nonprofit, independent preschool through eighth grade school founded in 1995, offers unique and challenging 21st century educational opportunities for students in the greater Missoula area. The school provides an inquiry based learning environment as the flagshipInternational Baccalaureate (IB) World School in the Northwest authorized for the Primary Years Program (PYP) and the Middle Years Program (MYP) and a full Spanish language immersion environment.
Source: Verified school update
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Frequently Asked Questions

How much does Missoula International School cost?
Missoula International School's tuition is approximately $12,000 for private students.
What schools are Missoula International School often compared to?
Missoula International School is often viewed alongside schools like Sussex School by visitors of our site.
What is the acceptance rate of Missoula International School?
The acceptance rate of Missoula International School is 75%, which is lower than the national average of 87%. Missoula International School's acceptance rate is ranked among the top private schools in Montana with low acceptance rates.
Does Missoula International School offer a summer program?
Yes, Missoula International School offers a summer program. Visit their summer school page for more information.
What sports does Missoula International School offer?
Missoula International School offers 4 interscholastic sports: Basketball, Cross Country, Soccer and Track and Field.
What is Missoula International School's ranking?
Missoula International School ranks among the top 20% of private schools in Montana for: Lowest average acceptance rates, Highest percentage of faculty with advanced degrees and Largest student body.
When is the application deadline for Missoula International School?
The application deadline for Missoula International School is Feb. 17 / rolling (applications are due on Feb. 17 but additional applications are reviewed year-round as space permits ).
In what neighborhood is Missoula International School located?
Missoula International School is located in the Riverfront neighborhood of Missoula, MT.

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Did You Know?

The average private school tuition in Missoula, MT is $17,433 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in Missoula, MT is 82% (read more about average acceptance rates across the country).

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