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Walnut International Montessori Preschool

20781 Amar Rd Ste 1
Walnut, CA 91789

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Tel: (909) 594-8172

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International School of Montessori provides child care service to the families and children of the Walnut community.

This service has grown out of sincere love for the children and a desire to help them in the proper development and adjustment in our changing society.

At our school, we follow the Montessori Philosophy. Our program is equipped and staffed to give the best possible care to these children.

Our purpose is to provide an environment that is safe and conducive to good health where children ages six weeks through kindergarten can work and play together while being guided towards a happy wholesome development.

All are welcome regardless of race, color, or religion.

International School of Montessori offers a flexible age appropriate program to assist the children in their learning processes.

This includes a time for outdoor play on equipment suitable to their age, games, creative arts and crafts, science and nature observations, rhythm and music Spanish, sharing experiences, and story time.

Quick Facts (2026)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 234 students
Average class size: 24 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

Walnut International Montessori Preschool ranks among the top 20% of private schools in California for:

School Overview

School Type

Montessori School

School Membership(s)School Assoc.

American Montessori Society (AMS)
International Montessori Council (IMC)

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-Kindergarten

Summer School Offered

Yes

Student Body

Total Students

234 students

Student Body Type

Co-ed

% Students of Color

95%

State avg.: 51%

Students by Grade

Academics and Faculty

Total Classroom Teachers

2 teachers

% Faculty w/Advanced Degree

Average Class Size

24 students

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

1 extracurricular

ExtracurricularsExtra-curric.

Arts and Music Programs:

Piano Class

School Notes

International School of Montessori provides child care service to the families and children of the Walnut community. This service has grown out of sincere love for the children and a desire to help them in the proper development and adjustment in our changing society. At our school, we follow the Montessori Philosophy. Our program is equipped and staffed to give the best possible care to these children. Our purpose is to provide an environment that is safe and conducive to good health where children ages six weeks through kindergarten can work and play together while being guided towards a happy wholesome development. All are welcome regardless of race, color, or religion. International School of Montessori offers a flexible age appropriate program to assist the children in their learning processes. This includes a time for outdoor play on equipment suitable to their age, games, creative arts and crafts, science and nature observations, rhythm and music Spanish, sharing experiences, and story time.

Source: Verified school update

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Frequently Asked Questions

What schools are Walnut International Montessori Preschool often compared to?

Walnut International Montessori Preschool is often viewed alongside schools like Walnut Montessori Preschool Academy by visitors of our site.

When is the application deadline for Walnut International Montessori Preschool?

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

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Quick Facts (2026)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 234 students
Average class size: 24 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in Los Angeles County, CA is $23,825 for high schools (read more about average private school tuition across the country).