There are numerous opportunities for learning German, even before you leave home.
Source: Bernd Wannenmacher
Whether coming to Freie Universität as a student or a researcher, it will be useful, and often imperative, to learn German. The academic programs designed for international students, FUBiS and FU-BEST, include German language classes. For exchange students the ZE Sprachenzentrum (Language Center) offers a limited number of German language courses at different levels. It also has a self-study center, which is a useful resource. Degree-seeking students should check this link. Additional information can be found on the websites of the TestDaF Institute and the Goethe Institute.
Dahlem Research School offers German language courses for new doctoral candidates accepted into one of their programs.
Several further education institutions in Berlin offer German language courses. Please check the following website of the Berlin Adult Education Center (“Volkshochschule”), which has branches in every Berlin district and offers a wide range of courses besides languages.