A simple two step process to add Teachers to this service,
Follow this path
Site Administration > Plugins > Blocks > Edwiser RapidGrader > Add / Remove Users
Step 1: Select Teachers from the “All Users” list
Step 2: Hit on the “Add” button to add give them access to Edwiser RapidGrader
Teacher Enrolment Status
Number of Seats purchased will be visible in the top left corner along with Number of Teachers enrolled in it.
If you want to let more teachers access the solution, then simply Hit on the “Upgrade Plan”