Organizing users for a School System

Hello everyone,

I am planning to build a backend for an app that can be used in schools. The school admin creates an ordinary account via OAuth or e-mail login. This admin can then create teacher users. The idea is that teachers then get a code with which they can log in (e.g. 123-456-789), i.e. not by email and password. The teachers in turn can create classes to which they can add student users. The students can log in with a code just like the teachers, i.e. again without email and password.

Now my specific questions:

• What is the correct way to implement something like this in Appwrite, in terms of authentication?
• Is it possible to create users without email and password?
• If not, is it a solution to create dummy email addresses for teachers and students, e.g. 123-456-789@myApp.com and then use these as IDs?
• What are classes: teams or labels?
• How do I differentiate between admin, teacher or student permissions? Are labels the right way to go here?

I use the Rest API to communicate with the backend and .NET as the server platform.

I am very grateful for any help (also in parts)!