Who we are. The German International School Washington D.C. is a leading international school in the Washington DC metro area. For over 60 years, GISW has been teaching children from preschool through twelfth grade. Aside from being the first MINTEC certified school in the USA, GISW offers a U.S. High School Diploma as well as a German International Abitur (DIA) to its students. Purpose and Responsibilities. Ensure that the internal operations of...
