ChooseAPrivateSchool.com Español

Boulder Montessori School

Montessori school · Grades Pre-K–K

Boulder, CO

3300 Redstone Rd, Boulder, CO 80305

Overall grade: A-

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

  • A+Class size
  • B-Years serving families

What stands out

  • Smaller classes than 85% of preschools in Colorado

In Boulder, Colorado, Boulder Montessori School is a Montessori school for students from pre-K through kindergarten. About 3 students attend, with roughly 1 students per teacher, smaller classes than 85% of preschool programs in Colorado. The school day runs about 7.5 hours, 240 days a year.

At a glance

Grades
Grades Pre-K–K
Students
3
Teachers
3 (full-time equivalent)
Students per teacher
1
Boys and girls
Coed · 1 girls, 2 boys
Religious affiliation
None (nonsectarian)
Program
Montessori
School day
About 7.5 hours
School year
240 days

Reviews

Be the first to share what you love about Boulder Montessori School.

    How it compares

    • Smaller classes than 85% of preschool programs in Colorado (1 students per teacher).
    • A smaller school: fewer students than 94% of preschool programs in Colorado.
    • Compared with 51 preschool programs in Colorado.

    Students by grade

    Pre-K68
    K3

    Student body

    White100%

    Member of

    • American Montessori Society
    • National Association for the Education of Young Children
    • National Independent Private Schools Association

    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 Boulder Montessori School

    What grades does Boulder Montessori School serve?

    Boulder Montessori School serves grades Pre-K–K.

    How many students attend Boulder Montessori School?

    About 3 students, with 1 students per teacher, according to official records.

    How much is tuition at Boulder 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

    Other private schools nearby

    Bixby School

    Independent school · Grades Pre-K–5

    The smallest classes of any independent school in Boulder

    Boulder, CO1.5 mi

    A+Overall grade93 students4 students per teacher

    Friends School

    Independent school · Grades Pre-K–8

    One of 8 independent schools in Boulder

    Boulder, CO3.2 mi

    B-Overall grade134 students

    Watershed School

    Independent school · Grades 6–12

    100% of graduates go to four-year colleges

    Boulder, CO4.4 mi

    BOverall grade114 students7 students per teacher