Marin Montessori School (Top Ranked Private School for 2026-27)

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Quick Facts (2026-27)

Top Ranked CA School
School Type: Montessori School
Grades: Prekindergarten-8
Enrollment: 295 students
Average class size: 12 students
Application Deadline: Jan. 31 / rolling
Source: ✓Verified school update

School Rankings

Marin Montessori School ranks among the top 20% of private schools in California for:

School Facts

School Type

Montessori School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-8

Students By Grade

View Data

Distribution of Students By Grade
Grade	Marin Montessori School
Nursery	12
Pre-K	22
Kind	28
1	18
2	15
3	16
4	21
5	18
6	15
7	25
8	27
Ungraded	78

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ADD/ADHD Support

Yes

Learning Difference Programs

Yes

Year Founded

1964

Student Body

Total Students

295 students

Student Body Type

Co-ed

% Students of Color

33%

State avg.: 52%

Academic Profile

Total Classroom Teachers

34 teachers

Student-Teacher Ratio

9:1

National avg.: 11:1

Average Class Size

12 students

School Membership(s)School Assoc.

Association Montessori Internationale (AMI)

Tuition & Financial Aid

Admission Deadline

Jan. 31 / rolling

% on Financial Aid

15%

School Notes

Marin Montessori School is a private, non-profit, AMI accredited school serving the diverse needs of children 18 months to 15 years of age.
The school is a community of faculty, families, staff, administration, and a board of directors.
Collectively, we nurture the development of each child to his or her fullest potential intellectually, physically, socially, creatively, emotionally, and spiritually.
Therefore, we strive to provide more than an academic education alone; our goal is to provide education for life.
The mission of Marin Montessori School, in adherence to the principles of the Association Montessori Internationale (AMI) as envisioned by Dr. Maria Montessori, is to nurture the development of each child in our diverse community to his or her fullest potential an independent, responsible, compassionate learned individual who thinks critically and realizes clearly his or her role in the world.
Thus, our mission is to provide education for life.

Marin Montessori School is a private, non-profit, AMI accredited school serving the diverse needs of children from toddler age through adolescence. The school is a community of families, faculty, staff, administration, and a board of trustees.
Collectively, we nurture the development of each child to his or her fullest potential intellectually, physically, socially, creatively, emotionally, and spiritually. Therefore, we strive to provide more than an academic education alone; our goal is to provide education for life.We accomplish this by preparing a stimulating classroom with beautiful manipulative materials where our children, with the guidance of our specially trained faculty, follow their natural tendencies to master skills. We are dedicated to maintaining a warm, nurturing, joyful environment where each child:
-Receives a quality education that supports his or her individual development;
-Has the freedom to choose, balanced by the responsibility to be productive;
-Learns according to his/her personal learning styles and timelines;
-Can reach his/her academic potential without grade level limits; and
-Enjoys beautiful, orderly, harmonious surroundings.
This program fosters self-motivation, self-discipline, compassion, independence, critical thinking, social and personal responsibility, and respect for others and the environment.
It is our vision that our children gain a strong sense of self and realize a life-long satisfaction and joy in learning, working, and exploring life. We believe this will enable our children to contribute happily and productively their unique talents to the world.

Source: Verified school update

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Frequently Asked Questions

What schools are Marin Montessori School often compared to?

Marin Montessori School is often viewed alongside schools like Marin Horizon School, Mount Tamalpais School by visitors of our site.

What is Marin Montessori School's ranking?

Marin Montessori School ranks among the top 20% of private schools in California for: Largest student body.

When is the application deadline for Marin Montessori School?

The application deadline for Marin 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 Marin County, CA is $27,917 for elementary schools and $34,712 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Marin County, CA is 79% (read more about average acceptance rates across the country).