Welcome to CAS in Duisburg!
Welcome to CAS! We are a language school for German as a foreign language, a licensed test center and training company and have been for over 20 years. We offer German courses in face-to-face classes as well as online lessons for studies, everyday life and work at all levels A1, A2, B1, B2 and C1 according to the Common European Framework of Reference for Languages (CEFR). We are a test center for the recognized German exams of telc gGmbH and the TestDaF Institute. Furthermore, we provide advice and coaching in the field of communication and intercultural relationships for companies and individuals.