The Association Montessori Internationale (AMI)
AMI was established in 1929 by Maria Montessori and was guided for more than 50 years by her son and close collaborator, Mario M. Montessori. AMI's objective is to uphold and safeguard the quality of Montessori training and the passing on of Maria Montessori's heritage through her educational philosophy and methodology, including the materials and their presentation.
The Association Montessori International—USA (AMI/USA)
The United States branch of the Association Montessori Internationale (AMI)
The AMI Elementary Alumni Association
A community of Montessori teachers holding an elementary diploma issued by the Association Montessori Internationale, who support one another in their professional development
American Montessori Society (AMS)
AMS is a nonprofit education society founded in 1960 whose purpose is to help children develop their fullest potential through the educational principles of Maria Montessori. This includes the following: developing Montessori programs, accrediting schools, granting credentials, encouraging research, organizing seminars and symposia, and all other areas which relate to the dissemination of Montessori philosophy.