Dilit, officially recognised by the Italian Ministry of Education, has been operating in Rome since 1974. It is part of the International House, a well-established world-wide organisation of120 language schools. The quality of the teaching and services provided by the school is guaranteed by its membership of EAQUALS (European Association for Quality Language Services), ELITE (Excellent Language Institutions Teaching in Europe), ALTO (Association of Language Travel Organisations), and ASILS (Associazione Scuole d'Italiano come Lingua Seconda).