The Teodoro Monticelli International School is fully accredited, from Preschool to 8^th grade, by the Ministry of Education, Universities and Research (MIUR). The students of the Teodoro Monticelli participate in the Invalsi Exams at the end of the academic year. The exams are prepared and administered by the National Institute for the validation of the education system.

The TM International School is also accredited by the Western Association of Schools and Colleges (WASC), one of the six regional accrediting agencies in the United States. Thanks to this accreditation our school is recognized as an International School, giving us the chance to be one of the few in Campania to have this certification. The WASC checks, every two years or three years, the subsidization of the necessary standards to acquire and maintain the International school certificate, verifying the school system at 360 degrees. 

This also allows us to issue documents, report cards and certificates recognized by the MIUR and internationally.