MMS reopened in-person five days a week on September 9. Learn about our Covid-19 Response here.

MMS At A Glance


The school opened in 1964 as a parent cooperative. In 1996, it moved to its present location at 325 West 85th Street and changed its name to Metropolitan Montessori School. In 2016, the school opened its doors to an expanded space with more light and space.


Head of School Racheal Adriko joined the school in July 2019.




Grade levels

The school offers a beginning Montessori program for children who are two years and eight months to three years old, and teaches children between the ages of 3 and 12 in three-year mixed-age classrooms. The usual entry point is at 3 or 4 years old.

  • Children’s House Stepping Stones program: single classroom limited to no more than 12 children ages two years and eight months to three years old
  • Children’s House Primary program: mixed-aged classrooms with four classes of children ages 3 through 5
  • Lower School Elementary program: mixed-aged classrooms with three classes of children ages 6 through 9 (first through third grade)
  • Upper School Elementary program: fourth, fifth and sixth graders in two homeroom classrooms; academic classes grouped by grade level, mixed-age groupings for enrichment programs

Enrollment: 195 (Avg.)


We have more than 25 nationalities and backgrounds at MMS and 20 different languages spoken by our students. In addition, one third of our families have more than one child attending school here.

Educational philosophy

The school’s program reflects the philosophy of Dr. Maria Montessori, but has adapted its curriculum to meet the particular needs of New York City children in the 21st Century.

Secondary school placements

MMS graduates attend many of New York’s selective ongoing schools. Read more about secondary school placements.


The school has an outstanding faculty with a 6:1 teacher to student ratio and 361 total years of teaching experience.


Directed by a Board of Trustees comprised of current and former parents and community members.

Mailing address

325 West 85th Street
New York, NY 10024


Reception: 212-579-5525, ext. 0
Fax: 212-579-5526

Social media

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Why Metropolitan Montessori School?

  • Outstanding academics drawing on Montessori methodologies and other teaching strategies for language arts, math, social studies and science
  • Attention to the child’s social and emotional development to support the development of independence, resiliency and awareness of the needs of others
  • Performing arts instruction in choral music, violin, theater and movement
  • Visual arts instruction in ceramics, woodworking and other mediums
  • Foreign language instruction in French or Spanish
  • Science and outdoor education experiences at Black Rock Forest
  • Low teacher-student ratios
  • Individualized placement process for graduating sixth graders
Connect with our Admissions Office

Learn more about Montessori education at MMS. Connect directly with our Enrollment Director this Spring.

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