To add an Instructor to your school, navigate to the Team section in the sidebar.
You should see at least one User here, yourself.
To add a new user, click on the Add User button in the top navigation.
All you need to do is add their name, email address, profile and choose their permissions.
Administrator: Has access to manage and edit all areas.
Instructor: Has access to Create, Manage and Teach courses.
Community Manager: Can Create and Manage content.
View Only: Can View and Export Data.