The German Central Agency for German Schools Abroad (German: Zentralstelle für das Auslandsschulwesen, ZfA) is an agency of the Federal Office of Administration, itself an agency of the Federal Ministry of the Interior, that operates and manages schools for German children outside of Germany. The ZfA supports over 1,200 schools worldwide, including more than 140 German schools abroad, and approximately 1,100 schools in the respective educational system in which the German Language Certificate (DSD) can be acquired.