Gymnasium, in the German education system, is the most advanced and highest of the three types of German secondary schools, the others being Hauptschule (lowest) and Realschule (middle). Gymnasium strongly emphasizes academic learning, comparable to the British grammar school system or with prep schools in the United States. A student attending Gymnasium is called a Gymnasiast. In 2009/10 there were 3,094 gymnasia in Germany, with c. 2,475,000 students, resulting in an average student number of 800 students per school.