Willkommen!
Memrise: https://www.memrise.com/
Free
Videos of Native Speakers saying the words and phrases in a natural way
Teaches common, high-frequency vocabulary
You can sign up with your school google account and not need to remember a password
There is a nice app for it
Cons: in the 3rd beginner lesson, one colorful slang word is taught. It is not derogatory in the least, but it is a little vulgar. It is also usually the one "bad" word that everyone knows in German. Please understand that the word should not be used in class.
Duolingo: https://www.duolingo.com/learn
Similar to Memrise, but: no native speaker videos, and sometimes the practice sentences are odd.
Free
Also an app, and you can also sign up with your school google
Once you have German under your belt, the Duolingo Stories in German are EXCELLENT - WUNDERBAR