In the context of non-formal education, Initial Vocational Training is provided to graduates of Lower Secondary School (compulsory), holders of Lower Secondary School Certificate (Apolytirio Gymnasiou), by the Vocational Training Schools (S.E.K.) (L.4186/2013). The duration of studies in SEK is 3 years. Upon successful completion of the certification exams, graduates of Vocational Training Schools are awarded a Vocational Training School (SEK) Specialty Certificate. Previously, post-lower initial vocational training, in the context of non-formal education, was provided by I.E.K. (L.2009 /1992).