IISS Concetto Marchesi provides for three courses of education: Classical Lyceum, focused on Humanities; Scientific Lyceum, second level college of Science and Technical secondary school specialised in Environmental Bio-Technology. It has more than 1700 students coming from Catania hinterland and towns around Etna (Italy) who have the opportunity to enrol in the several curricular and extra-curricular activities implemented by the school in the scope of its efficient and educational paths.