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.

Organization founded in 1929 by Dr. Maria Montessori to maintain the integrity of her life's work and to ensure its perpetuation after her death. Guidance for AMI training courses, for establishment of schools, for manufacture of approved educational materials, and for publication of Dr. Montessori's books. Organization of congresses and study conferences.

Promotes the interests of Montessori teachers, advances the standards of the profession and seeks to improve the quality of Montessori education in Canada.

Supports Montessori school administrators in Canada, offering expertise in school administration and the Montessori Method of education.

Founded to help address an extreme shortage of certified Montessori teachers and to share the insights of two of Dr. Maria Montessori's closest collaborators, Dr. Claude Claremont and his wife, Francesca.

Located in Amman, Jordan. Offers teacher training, accreditation, and other resources for the Montessori community.

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.

The society promotes the philosophy of Maria Montessori and provides resources to teachers, parents, and administrators.

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.

Resource for parents, educators, and researchers. Teacher training, conferences, news and listing of schools.

Seattle, Washington, USA. A Montessori community committed to educating, preparing, and supporting teachers.

Non-affiliated online community whose members advocate peace, community and children as embodied in the educational methods forwarded by Dr. Maria Montessori.

Stated goals of promoting unity among Montessorians and providing creditable Montessori teacher education programs.

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.

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.

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.