Upcoming Stuff for German Exchange Program - GAPP The HHS German Exchange Program provides an opportunity for any student in grades 10-12 to experience another language and culture first hand! Students will live with a German family for 16 days in Karlsruhe, Germany, attend school with their German partner at Gymnasium Neureut, and participate in day trips throughout the state of Baden-Wuertemberg. The cost in 2012 is $2,300, including $200 for spending money.