The Indian Montessori Centre
- Offer courses to train educators in the Montessori method. Includes facts about the centre and courses, recognized schools, online bookstore and general information about the method. Located in Bangalore.
- http://www.indianmontessoricentre.org

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,
- http://imsmontessori.org/

International Centre for Montessori Education (ICME)
- Located in Amman, Jordan. Offers teacher training, accreditation, and other resources for the Montessori community.
- http://www.montessori-icme.com/

Montessori Education Institute of the Pacific Northwest (MEIPN)
- Seattle, Washington, USA. A Montessori community committed to educating, preparing, and supporting teachers.
- http://www.meipn.org/

Institute of Advanced Montessori Studies (IAMS)
- 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.
- http://www.barrie.org/iams/

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 withi
- http://www.macte.org/

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.
- http://www.nsw.montessori.edu.au/

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.
- http://www.montessori.wa.edu.au/

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.
- http://www.camt.ca/

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.
- http://www.montessori.org/

Michigan Montessori Society
- The society promotes the philosophy of Maria Montessori and provides resources to teachers, parents, and administrators.
- http://mmsoc.org

Montessori Association of New Zealand (MANZ)
- Resource for parents, educators, and researchers. Teacher training, conferences, news and listing of schools.
- http://www.montessori.org.nz/

Association Montessori Internationale (AMI)
- 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 mate
- http://www.montessori-ami.org/

National Center for Montessori Education
- Stated goals of promoting unity among Montessorians and providing creditable Montessori teacher education programs.
- http://www.montessori-ncme.org/

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,
- http://www.amshq.org/