Context: Starting in 2010/2011, Hauptschulen were merged with Realschulen and Gesamtschulen to form a new type of comprehensive school in the German States of Berlin and Hamburg, called Stadtteilschule in Hamburg and Sekundarschule in Berlin (see: Education in Berlin, Education in Hamburg).

Question: In what school year were Hauptschulen first combined with Realschulen and Gesamtschulen?

Answer: 2010/2011