in , state-maintained secondary school that prepares pupils for higher academic education. This type of nine-year school originated in in 1537. Although the usual leaving age is 19 or 20, a pupil may terminate his studies at the age of 16 and enter a vocational school. In Germany the is differentiated into three main types, according to curriculum: classical, which includes Latin, Greek, and one modern language; modern (), with Latin and two modern languages; and mathematical and scientific ( ), with two modern languages and optional Latin. Senior departments of elementary schools, middle schools.