Missoula International School (Top Ranked Private School for 2026-27)

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Quick Facts (26-27)

Top Ranked MT School
School Type: Special Program Emphasis
Grades: Prekindergarten-8
Enrollment: 199 students
Average class size: 15 students
Application Deadline: Feb. 15 / rolling
Source: ✓Verified school update

School Rankings

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

School Facts

School Type

School with Special Program Emphasis

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-8

Students By Grade

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Distribution of Students By Grade

Grade	Missoula International School
Nursery	39
Pre-K	12
Kind	17
1	17
2	17
3	17
4	15
5	15
6	14
7	12
8	24

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Nursery largest at 39 it has more students than any other grade, with Grade 8 next at 24.

ADD/ADHD Support

Yes

Year Founded

1995

Summer School Offered

Yes

Summer Program Details

View Summer Program Details

School Calendar

View School Calendar

Student Body

Total Students

199 students

Student Body Type

Co-ed

% Students of Color

10%

State avg.: 17%

Academic Profile

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

School Membership(s)School Assoc.

National Association of Independent Schools (NAIS)
International Baccalaureate World School (IB)
Northwest Association of Independent Schools (NWAIS)

Tuition & Financial Aid

Admission Deadline

Feb. 15 / rolling

Tuition Notes

Tuition varies by grade level.

Summer Program Cost Notes

See website for pricing.

Admissions Director

Susan Beck

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Sports

Total Sports Offered

4 sports

Sports

BasketballCross Country

SoccerTrack and Field

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

7 extracurriculars

ExtracurricularsExtra-curric.

Recreational Athletic Programs:

Basketball TeamCross Country

SoccerTrack and Field

Other Activities:

First Lego League Robotics TeamMath Counts Team

Quiz Bowl Team

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

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

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.

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: 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. 15 / rolling (applications are due on Feb. 15 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 Montana is $7,315 for elementary schools and $8,527 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Montana is 88% (read more about average acceptance rates across the country).