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Mountain Shadows International Montessori

4154 63rd St Boulder, CO 80301

Tel: (303) 530-5353

www.mountainshadows.org

Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-6
Enrollment: 51 students
Acceptance rate: 99%
Average class size: 15 students
Application Deadline: None / Rolling
Source: ✓Verified school update

Mountain Shadows International Montessori Photo #1

Mountain Shadows International Montessori Photo #2 - The front of our school

Mountain Shadows International Montessori Photo #3 - Our 8 acre campus

Mountain Shadows International Montessori Photo #4 - This is a picture of the performing arts center and gymnasium; used for PE class, plays, parent Educations nights and more!

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Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-6
Enrollment: 51 students
Acceptance rate: 99%
Average class size: 15 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Facts

School Type

Montessori School

School Membership(s)School Assoc.

Association Montessori International (AMI)
Association Montessori Internationale (AMI)

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-6

Students By Grade

View Data

Distribution of Students By Grade
Grade	Mountain Shadows International Montessori
Nursery	10
Pre-K	15
Kind	5
1	5
2	4
3	5
4	7

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Year Founded

1976

Summer School Offered

Yes

Student Body

Total Students

51 students

Student Body Type

Co-ed

% Students of Color

State avg.: 25%

Academics & Faculty

Total Classroom Teachers

5 teachers

Student-Teacher Ratio

10:1

National avg.: 11:1

Average Class Size

15 students

Classroom Dress Code

Casual

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Tuition Notes

Tuition range: 15.850-36,354

% on Financial Aid

25%

Average Financial Aid Grant

$5,000

Acceptance Rate

99%

National avg.: 82%

Admissions Director

Lauren Franchek

Application URL

Online Application

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

3 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Beginning SpanishVarious after-shool programs are available for our students.

Arts and Music Programs:

Music Class

School Notes

We provide an environment where children 12 months through sixth grade joyfully reach their full potential through the development of independence; academic excellence; respect for their environment, self, and others, and moral responsibility to society through an AMI* Montessori education.*Association Montessori Internationale.

We provide an environment where children 12 months through sixth grade joyfully reach their full potential through the development of independence; academic excellence; respect for their environment, self, and others, and moral responsibility to society through an AMI* Montessori education.*Association Montessori Internationale

Source: Verified school update

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Frequently Asked Questions

What is the acceptance rate of Mountain Shadows International Montessori?

The acceptance rate of Mountain Shadows International Montessori is 99%, which is higher than the national average of 84%.

When is the application deadline for Mountain Shadows International Montessori?

The application deadline for Mountain Shadows International Montessori is rolling (applications are reviewed as they are received year-round).

School Reviews

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Did You Know?

The average private school tuition in Boulder, CO is $29,237 for elementary schools and $30,009 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Boulder, CO is 73% (read more about average acceptance rates across the country).