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International Montessori School

9185 Monte Vista Ave
Montclair, CA 91763

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Tel: (909) 684-8272

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International Montessori School is developed around the turn of the century by Maria Montessori, Italy's first female physician, the montessori method consists of a specialized teaching style and expertly designed materials that combine to unlock each child's natural motivation to learn.

Further, as montessori does not segregate children by age, older children share their skills and knowledge with younger ones.

This not only acts as an important motivator, as the younger ones emulate their more advanced peers, it also serves to develop crucial social skills as well.

Quick Facts (2026)

School Type: Montessori School
Grades: 1-7
Enrollment: 35 students
Average class size: 21 students
Application Deadline: None / Rolling
Source: Verified school update

School Overview

School Type

Montessori School

School Membership(s)School Assoc.

Other Montessori association(s)

Religious Affiliation

Nonsectarian

Grades Offered

Grades 1-7

Year Founded

2002

Summer School Offered

Yes

Student Body

Total Students

35 students

Student Body Type

Co-ed

% Students of Color

72%

State avg.: 51%

Students by Grade

Academics and Faculty

Total Classroom Teachers

4 teachers

Student-Teacher Ratio

9:1

National avg.: 11:1

Average Class Size

21 students

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Tuition Notes

Daycare after 3:30 PM is $10 per day.

Application URL

Online Application

Source: Verified school update

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Frequently Asked Questions

When is the application deadline for International Montessori School?

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

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Quick Facts (2026)

School Type: Montessori School
Grades: 1-7
Enrollment: 35 students
Average class size: 21 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in San Bernardino County, CA is $13,723 for elementary schools and $14,717 for high schools (read more about average private school tuition across the country).

The average acceptance rate in San Bernardino County, CA is 88% (read more about average acceptance rates across the country).