Internatsschule Schloss Hansenberg
 The Internatsschule Schloss Hansenberg (ISH) is a mixed coeducational secondary boarding school in Geisenheim-Johannisberg in the Rheingau in Hesse Germany.It was founded in 2003 by the government of Hesse and is run with the help of three companies (Public Private Partnership): The Commerzbank AG the Linde Group and the Robert Bosch Stiftung.