Hire a new teacher:

Tap on the Einstein button (bottom right corner of your screen) and choose the one that fits your needs (visit our FAQs about symbols, stars counter, and knowledge optimization). Check their knowledge levels in each area, their prestige, and their salary to see if they are a match. If you agree with everything, tap on the "Make offer" green button. 
 
 

Assign a teacher to a classroom:

Tap on the building you are interested in and tap again to select the classroom where you want the new teacher to work. Then select the "PROFESSOR" tab, then "Assign" and finally, choose the teacher you want.
 
 

Unassign teacher and/or replace a teacher in a classroom:

If you want to unassign a teacher, tap on the Einstein icon, then on "STAFF" and choose one teacher from the "ASSIGNED" area to unassign them. You can also replace it for another professor. Go directly to the classroom where you want to make the change and follow the steps below:
 

 

Fire a teacher:

First of all you need to UNASSIGN the teacher from the classroom. Please take in mind that the teacher has to finish the current class before it could be fired. Once the teacher appears in the "NOT ASSIGNED" tab on the teachers' list, you will be able to delete it.