Generally, public IEK operates afternoon starting by 15:00 pm in which is usually co-housed and operated at a day secondary education school's building, while usually the laboratory classes conducted off-school at laboratories which are owned and sponsored by individual companies or organizations and loaned to the IEK, however they are subject of availability during the academic year. Either private or public IEK is on a two terms (semesters) system per academic calendar year has the national curriculum (national education system) set forth by the Ministry of Education of Greece. IEK students are being assessed during the semester in the form of progress test (), and the final examination test () taken and the end of the semester. The post lower secondary programmes provided by the Institute of Vocational Training (IEK) have been discontinued (repealed), where access to this type of programmes had the students that have completed the gymnasium school.