Mountain Shadows International Montessori School

Boulder, Colorado 80301

Accredited Montessori See this school on Google Maps →
Call (303) 530-5353

How it compares in Boulder

Mountain Shadows International Montessori School is one of 7 Montessori schools in Boulder, and one of 3 with full AMS or AMI accreditation.

All Boulder schools → Cost calculator →

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Visit & contact

Address
4154 63rd Street
Boulder, CO 80301
Call (303) 530-5353 Request a tour Visit website ↗ Get directions ↗ AMI/USA listing ↗

Facts & figures

From government filings and independent surveys — not the school's own marketing.

Student-teacher ratio

8.7 : 1

61 students · 7 full-time-equivalent teachers

U.S. Dept. of Education private school survey, 2021–22

School day

7 hours/day · 172 days/year

U.S. Dept. of Education private school survey, 2021–22

Age levels

Infant/Toddler · Primary · Lower Elementary · Upper Elementary

Self-reported to the Montessori Census ↗

Founded

1976

Self-reported to the Montessori Census ↗

Programs, tuition & schedule

Quoted from mountainshadows.org.
"MSIMS is dedicated to nurturing curious, compassionate thinkers, engaged global citizens, and collaborative problem-solvers, preparing children not only for academic success but for a purposeful, connected life."
— Mountain Shadows International Montessori School, homepage ↗

Programs offered

  • Nido — 8 weeks - 18 months
  • Toddler (YCC) — 15 months - 3 years
  • Primary — Preschool & Kindergarten (3-6)
  • Elementary — 1st - 6th grade
  • Summer Camp
  • After-school Enrichment

Source: school's Nido page ↗

Schedule

Monday - Friday, 7:30am - 5:30pm

Extended-day / aftercare available.

View the school calendar ↗

Some fields above are blank because they weren't published on the school's site. Call or email the school for tuition, admissions, and other details not listed here.

How to apply

Quoted from mountainshadows.org.

Schedule a tour ↗

Source: school's Tour page ↗

About Mountain Shadows International Montessori School

Mountain Shadows International Montessori School is a Montessori school (private) in Boulder, Colorado serving grades PK-6. MSIMS is dedicated to nurturing curious, compassionate thinkers, engaged global citizens, and collaborative problem-solvers, preparing children not only for academic success but for a purposeful, connected life.

Where is Mountain Shadows International Montessori School located? ⌃

4154 63rd Street, Boulder, CO 80301

What is the phone number for Mountain Shadows International Montessori School? ⌃

Mountain Shadows International Montessori School can be reached at (303) 530-5353.

Is Mountain Shadows International Montessori School AMI affiliated? ⌃

Mountain Shadows International Montessori School is listed in the Association Montessori Internationale (AMI/USA) directory.

What are the hours at Mountain Shadows International Montessori School? ⌃

Mountain Shadows International Montessori School operates on these hours: Monday - Friday, 7:30am - 5:30pm.

What ages does Mountain Shadows International Montessori School serve? ⌃

Mountain Shadows International Montessori School serves grades PK-6.

What is the website for Mountain Shadows International Montessori School? ⌃

The official website is mountainshadows.org.

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