 It is a member of the National Association of Independent Schools (NAIS), The Association of Boarding Schools (TABS), the Junior Boarding Schools Association (JBSA), and the Independent Schools Association of Northern New England (ISANNE).It is accredited by the New England Association of Schools and Colleges (NEASC).Cardigan Mountain School was founded in 1945 by a group of men with a vision for an educational program tailored to the needs of boys in the pre-preparatory school years.