Most students learn German as a second or third foreign language. This has the great advantage that they already have experience with foreign language learning. This simplifies the learning process.
Students learning German as a second (or additional) foreign language can build on and extend existing language learning experiences. This can facilitate the learning of a second foreign language. This has the advantage that teachers can use their students' existing knowledge and experience in the classroom. However, German as a second foreign language can also have disadvantages.