All school-age children without German language skills are assigned to preliminary courses, where they receive language lessons. Refugee children and unaccompanied refugee minors receive initial language training in the registration center. These language learning courses are free.
In regular school education, language education and language support are systematically continued as an integrated measure in primary and secondary schools.
For adolescents who are already 16 years old or older and whose education in the country of origin would expect them to be able to obtain the middle school graduation or the General University Entrance Qualification, there are special preparatory classes. This classes prepare pupils for a middle school qualification or the transition to upper secondary education. At the career entry school, there are vocational preparation classes in which language training takes place.
For additional information see https://www.landesschulbehoerde-niedersachsen.de/bu/schulen/schulentwicklung/sprachbildungszentren/deutsch-als-zweitsprache