LdM is registered and authorized in Italy by the Ministry of Education, University and Research (decree dated December 2, 1989), to operate schools in Florence (Prot.n.: 3768/C.20), Rome (Prot.n.: 316) and Tuscania (Prot.n.: 1013/P). (Ministero dell'Istruzione, dell'UniversitÓ e della Ricerca [MIUR].)
Lorenzo de'Medici has been approved by the US Middle States Commission on Higher Education as a Branch Campus of Marist College, with particular note on the quality of LdM facilities and academic environment.
The School holds memberships in the Association of Schools Teaching Italian as a Second Language (ASILS), the College Consortium of International Studies (CCIS), the European Association for International Education (EAIE), the EduItalia Consortium (EDUITALIA), the European League of Institutes of the Arts (ELIA), FEDE (Federation of European Schools), FIYTO (Federation of International Youth Travel Organizations), Forum on Education Abroad, National Association of Foreign Student Advisors (NAFSA), and WYSE (World Youth Student & Educational Travel).