German phrase
Ich bin neu an der Schule.
Meaning
I'm new to this school
When to use it
It says you are new here. Use it when meeting school friends.
Example dialogue
Hallo, ich heiße Mia. Ich bin neu an der Schule.
Hi, my name is Mia. I'm new to this school.
Hallo Mia, ich bin Ben. In welcher Klasse bist du?
Hi Mia, I'm Ben. What grade are you in?