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Missoula International School

Independent school · Grades Pre-K–8

Missoula, MT

808 S 3rd St W, Missoula, MT 59801

Overall grade: B+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • B+Class size
  • A-Years serving families
  • A-Diversity

What stands out

  • One of the 3 largest independent schools in Montana
  • The largest independent school in Missoula
  • One of the most diverse private schools in Montana
  • Serving families in Missoula since at least 2011

In Missoula, Montana, Missoula International School is an independent private school for students from pre-K through 8th grade. About 150 students attend, with roughly 9 students per teacher. Enrollment is up about 13% since 2011–12. The school day runs about 7 hours, 171 days a year. Montana has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades Pre-K–8
Students
150
Teachers
16.9 (full-time equivalent)
Students per teacher
8.9
Boys and girls
Coed · 72 girls, 78 boys
Religious affiliation
None (nonsectarian)
School day
About 7 hours
School year
171 days
Library
Yes

Reviews

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    How it compares

    • Larger than 73% of independent elementary schools nationwide.
    • Compared with 1,445 independent elementary schools nationwide.

    Students by survey year

    133’11–12161’13–14154’15–16154’17–18143’19–20144’21–22150’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K50
    K18
    118
    220
    314
    419
    514
    613
    710
    824

    Student body

    White75%
    Hispanic or Latino14%
    Two or more races8%
    Asian1%
    American Indian or Alaska Native1%

    Help paying tuition in Montana

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask Missoula International School whether it takes part.

    More about Montana's programs →

    Questions to ask on a tour

    • What is tuition, and what does it include (books, fees, uniforms, trips)?
    • Do you offer financial aid, sibling discounts or payment plans?
    • Do you accept ESA, voucher or tax-credit scholarship funds?
    • How big are classes in my child's grade?
    • What support is there for students who need extra help or more challenge?
    • Is the school accredited, and by whom?
    • What do a typical day and a typical week look like?
    • How does the school communicate with families?

    More questions to ask →

    Questions about Missoula International School

    What grades does Missoula International School serve?

    Missoula International School serves grades Pre-K–8.

    How many students attend Missoula International School?

    About 150 students, with 9 students per teacher, according to official records.

    How much is tuition at Missoula International School?

    Call the school to ask about tuition, financial aid and payment plans. Montana has programs that can help pay private school tuition; ask whether the school takes part.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

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