You can give titles to the other admins and your staff/teachers by following these steps. 

  • Click on the community in the left menu 
  • Click Manage icon 
  • Click Staff 
  • Click on the name of a staff member
  • Click Change Role icon show below
  • Click Next

PS: The same steps can be followed to give titles to other admins in the class, however, you need to do it from the Manage screen of your class page.