The International School of Naples (ISN) is a college preparatory school from Pre-School (3 years old) to grade 12 (17 years old). It is a member of the European Council of International Schools. The school is accredited by the Council of International Schools (CIS) and the New England Association of Schools and Colleges (NEASC), is certified by the Opera Nazionale Montessori (Pre-School and Kindergarten) and is authorized to function as a foreign school in Italy by the Italian Ministry of Education (MIUR).