German phrase
Ich bin seit ~ immatrikuliert.
Meaning
I have been enrolled since ___
When to use it
It says when enrollment began. The speaker is still enrolled.
Example dialogue
Seit wann bist du an der Uni?
Since when have you been at university?
Ich bin seit dem Wintersemester 2022 immatrikuliert.
I have been enrolled since the winter semester of 2022.