The College has operated under the auspices of the Association Montessori Internationale since its foundation in Sion Hill, Montessori 1935Blackrock, by thegate Dominican Sisters. Dr Montessori herself examined the first Diploma students there in 1934. The College is now located at the Mount Saint Mary's Campus on the Dundrum Road. This is the only AMI Training Centre in Ireland and is managed by a Board of Directors.