The Ministry of National Education (known also as MoNE) conducts educational activities on a central level in the Republic of Turkey. Each level of education is organised by their own General Directorate. Pre-School, Primary and Lower Secondary, Upper Secondary and Higher Education. Pre-school education is carried out by kindergartens. Primary and lower secondary education consists of eight years of compulsory education. Upper secondary education is not compulsory, but the vast majority of the population participates and have different options such as vocational and art schools.