Course levels at Sprach-Aktiv correspond with the Proficiency Levels defined by the Common European Framework of Reference for Languages (CEFR). There are six levels of German Language ranging from beginners to advanced :
A = elementary, B = intermediate, C = advanced.
Elementary use of language A1 (Beginner) A2 (Elementry)
Independent Language Use B1 (Intermediate) B2 (Upper-intermediate)
Autonomous Language Ability C1 (Advanced) C2 (Highly Competent)