Since June 2010 the French language teachers in collaboration with the Centre Culturel Franco-Allemand de Karlsruhe, organise for the pupils of the secondary school exams leading to the DELF (Diplôme élémentaire en langue française) diploma, which certifies the competences of its holders in the French language.

http://www.ciep.fr/de/delf-fur-schuler-diplome-detudes-langue-francaise-0