The National Center for Montessori in the Public Sector (link opens in a new window) is an independent nonprofit organization with the mission of helping public schools deliver high-quality, personalized education through Montessori and supporting the growth of public Montessori in the United States.
The American Montessori Society (AMS) (link opens in a new window) is a nonprofit organization dedicated to promoting the Montessori teaching approach in private and public schools and advocating for innovative, child-centered approach to learning through Montessori education. It provides school support and accreditation as well as teacher training.
The Association Montessori Internationale / USA (AMI/USA) (link opens in a new window) is an affiliate of the American Montessori Internationale that was founded by Dr. Maria Montessori to ensure her philosophy and approach to education would be carried on after her death. The nonprofit organization focuses on bringing the principles of Dr. Maria Montessori to the education of children in order to help them attain their full potential in our society.