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Mountain Shadows Montessori School

Montessori school · Grades Pre-K–4

Boulder, CO

4154 63rd St, Boulder, CO 80301

Overall grade: A-

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

  • A-Class size
  • A-Years serving families

What stands out

  • Small classes: about 6 students per teacher
  • Serving families in Boulder since at least 2011

Mountain Shadows Montessori School is a Montessori school in Boulder, Colorado, for students from pre-K through 4th grade. It has about 44 students and around 6 students per teacher. It has been listed in official private school records since 2011–12. Students attend about 7 hours a day, 180 days a year.

At a glance

Grades
Grades Pre-K–4
Students
44
Teachers
7 (full-time equivalent)
Students per teacher
6.3
Boys and girls
Coed · 14 girls, 30 boys
Religious affiliation
None (nonsectarian)
Program
Montessori
School day
About 7 hours
School year
180 days
Library
Yes

Reviews

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    How it compares

    • A smaller school: fewer students than 54% of Montessori elementary schools in Colorado.
    • Compared with 13 Montessori elementary schools in Colorado.

    Students by survey year

    55’11–1234’13–1462’15–1641’17–186’19–2031’21–2244’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K10
    K10
    110
    28
    38
    48

    Student body

    White84%
    Hispanic or Latino16%

    Member of

    • Association Montessori Internationale

    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 Mountain Shadows Montessori School

    What grades does Mountain Shadows Montessori School serve?

    Mountain Shadows Montessori School serves grades Pre-K–4.

    How many students attend Mountain Shadows Montessori School?

    About 44 students, with 6 students per teacher, according to official records.

    How much is tuition at Mountain Shadows Montessori School?

    Call the school to ask about tuition, financial aid and payment plans.

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

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