Marin Montessori School Photo #2 - Corte Madera Campus

Marin Montessori School

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.

Quick Facts (2026)

  • 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

Top Rankings

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

Category
Attribute
Student Body

School Overview

School Type
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
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.: 51%
Students by Grade

Academics and Faculty

Total Classroom Teachers
34 teachers
Student-Teacher Ratio
9:1
National avg.: 11:1
Average Class Size
12 students

Tuition and Acceptance Rate

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 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

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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Quick Facts (2026)

  • 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

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Did You Know?

The average private school tuition in Marin County, CA is $27,618 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).

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