If you are enrolled in an international degree program or in special postgraduate courses, German is not a prerequisite. At some colleges you also need no proof if you only want to study there for one or two semesters.
This regulation does not apply everywhere though.
If German knowledge is required for admission to the degree program, proof must be provided.
You can prove this with two different tests. They are called "DSH" ("German Language Examination for University Entrance of Foreign Applicants") and "TestDaF" ("German as a Foreign Language Test").
Assess the success of the study more realistically with a test.
With the Test for Foreign Students (TestAS) you can assess the prospects for a successful study more realistically. The TestAS offers universities a standardized comparison through a standardized test procedure. The recognition of TestAS varies from college to college. The test consists of three parts: speech screening, core testing and "field specific testing modules".
You do not need to take an exam if the following facts apply to you:
Test your language skills here in 15 minutes here