Established in 1991, National Institute of Education is a public higher education institution located in the large city of Phnom Penh (population range of 1,000,000-5,000,000 inhabitants). Officially accredited and/or recognized by the Ministry of Education, Youth and Sports, Cambodia, National Institute of Education (NIE) is a coeducational higher education institution. National Institute of Education (NIE) offers courses and programs leading to officially recognized higher education degrees in several areas of study. See the uniRank degree levels and areas of study matrix below for further details.