Diablo Valley Montessori School (2026-27 Profile)

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Diablo Valley Montessori School

3390 Deer Hill Road Lafayette, CA 94549

Tel: (925) 283-6036

Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 201 students
Average class size: 21 students
Application Deadline: Jan. 31 / rolling
Source: 鉁�Verified school update

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Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 201 students
Average class size: 21 students
Application Deadline: Jan. 31 / rolling
Source: 鉁�Verified school update

School Facts

School Type

Montessori School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-Kindergarten

Students By Grade

View Data

Distribution of Students By Grade
Grade	Diablo Valley Montessori School
Nursery	50
Pre-K	115
Kind	20
Ungraded	16

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ADD/ADHD Support

Yes

Learning Difference Programs

Yes

Year Founded

1965

Summer School Offered

Yes

Summer Program Details

School Calendar

Student Body

Total Students

201 students

Student Body Type

Co-ed

% Students of Color

17%

State avg.: 52%

Academic Profile

Total Classroom Teachers

10 teachers

Student-Teacher Ratio

20:1

National avg.:

% Faculty w/Advanced Degree

40%

Average Class Size

21 students

Classroom Dress Code

Casual

School Membership(s)School Assoc.

American Montessori Society (AMS)
Other Montessori association(s)

Tuition & Financial Aid

Admission Deadline

Jan. 31 / rolling

Tuition Notes

Ranges from $9,250 to $26,400

Application URL

School Notes

The goals of Diablo Valley Montessori School are to offer the community the educational alternative of the highest standard of Montessori education and childcare; build for each child a strong foundation of practical and academic skills; strengthen each child's self-confidence and courage to be creative by offering freedom of self-expression in a prepared environment; help each child to realize his or her full potential as a responsible world citizen; and promote the continued development and training of staff.
The role of the Montessori teacher is to aid children in their natural development and to support them in developing his or her full potential.
This is achieved by carefully observing each child in order to assess and meet their individual needs.

The goals of Diablo Valley Montessori School are to offer the community the educational alternative of the highest standard of Montessori education and childcare; build for each child a strong foundation of practical and academic skills; strengthen each child's self-confidence and courage to be creative by offering freedom of self-expression in a prepared environment; help each child to realize his or her full potential as a responsible world citizen; and promote the continued development and training of staff.
The role of the Montessori teacher is to aid children in their natural development and to support them in developing his or her full potential.
This is achieved by carefully observing each child in order to assess and meet their individual needs.

Source: Verified school update

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Frequently Asked Questions

Does Diablo Valley Montessori School offer a summer program?

Yes, Diablo Valley Montessori School offers a summer program. Visit their for more information.

When is the application deadline for Diablo Valley Montessori School?

The application deadline for Diablo Valley Montessori School is Jan. 31 / rolling (applications are due on Jan. 31 but additional applications are reviewed year-round as space permits ).

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Did You Know?

The average private school tuition in Contra Costa County, CA is $16,505 for elementary schools and $26,633 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Contra Costa County, CA is 84% (read more about average acceptance rates across the country).