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Nancy Rambusch meets with Mario Montessori who convinces her to take the Montessori training.
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After completing her training in London, Nancy Rambusch returns to New York City and sets up a Montessori classroom in her apartment.
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The Rambusch family relocates to Greenwich, CT and with several other families, the Whitby School opens. Rambusch is chosen by the Board of Directors as the Head of School.
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Mario Montessori appoints Rambusch as the Association of Montessori Internationale US representative.
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The Whitby School also became the first certified Montessori teacher training program in the U.S.
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Encouraged by Montessori parents, Rambusch starts AMS only 6 months after being appointed as US representative of AMI. The values of the new organization reflected those of AMI with the goals of creating schools, developing teacher education programs, and publicizing the value of Montessori education
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A story featuring Rambusch, the Whitby School and the resurgence of Montessori in the United States offers great publicity for Montessori and the public awareness of the Method climbs.
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"Learning How to Learn" is published and drives the interest for alternative education.
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Mario pens a letter to the American Montessori Society indicating their association is over.
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Cleo Monson is hired as the Executive Secretary. Her skills offered deeply needed administrative help during a period of rapid growth of AMS. She has been referred to as a pillar of AMS' early success.
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Rambusch and other American proponents of Montessori felt strongly that the Montessori Method needed to be adapted to American culture. AMI felt this damaged the integrity of the work. This led to deep division and AMS was now independent.
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A trademark dispute arose over the use of the term "Montessori" between AMS and AMI. This conflict was finally settled by the US Patent and Trademark Trial and Appeal Board in its action to refuse to grant exclusive use of the term "Montessori" to any one particular "Montessori" organization, holding that "the term 'Montessori' has a generic and/or descriptive significance.
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Cleo Monson is appointed as the First National Director of AMS.
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This institutionalization of AMI in the US created increased tension between the two organizations.
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MACTE - Montessori Accreditation Council for Teacher Education is born. The organization is the accrediting body for Montessori teacher education. MACTE was granted initial recognition by the U.S. Department of Education in 1995.
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In an effort to expand Montessori to more children, AMS creates the National Center for Montessori in the Public Sector (NCMPS). This organization incorporates independently in 2015.
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Montessori Public Policy Initiatives (MPPI) is created. AMS and AMI speak with a unified voice in advocacy and offer a platform for coordination of public policy efforts
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A 60th Anniversary
