When setting up your account for the first time follow these steps:
Login to the Teacher Portal
Select your School
Using names like Mrs. Jones and adding teacher photos as profile images will help children login quickly.
Teachers can be assigned to more than Class/Group at a time and Children will not see the names of your Classes/Groups. View examples.
Make sure you assign each Child a Class/Group or else they won't be able to login.
Add new Schools and repeat steps 2-5 if your Plan allows.