American Montessori Society (AMS) National center for Montessori information, with emphasis on team-teaching wherein students work under faculty with strengths in various areas of theory and practicum. School consultation and accreditation protocol, affiliated teacher preparation courses, annual meeting, and regional seminars and workshops for member schools, teachers, administrators, and parents.
International Montessori Society (IMS) Promotes commitment to Montessori principles, with emphasis on preparation of the environment and unobtrusive observation in deference to the individual liberty of the student. School consultation and recognition criteria, publications, teacher education, and regional conferences and workshops for teachers, administrators, and parents.
Michigan Montessori Society The society promotes the philosophy of Maria Montessori and provides resources to teachers, parents, and administrators.
The Montessori Foundation Non-profit organization dedicated to the advancement of Montessori education in the U.S. and abroad. Programs and resources for parents, teachers, administrators, and board members.
CAMT- Canadian Association of Montessori Teachers Promotes the interests of Montessori teachers, advances the standards of the profession and seeks to improve the quality of Montessori education in Canada.
The Australian Montessori Society A nationally Registered Training Organisation (RTO) providing nationally accredited as well as university recognised educational courses. It further provides consulting services and guidance where required.
New South Wales Montessori Association is a non-profit organisation formed in 1979 to provide a forum for member schools to come together as a community and to organise and provide services for its members.
Montessori Accreditation Council for Teacher Education (MACTE) An autonomous postsecondary accrediting agency for Montessori teacher education programs. The council accredits (1) independent postsecondary institutions which offer comprehensive, in-residence certification; and (2) programs or departments located within institutions already accredited by another recognized agency.