This feature is only available to administrators and staff members that are given permission to add and edit Groups and Courses.
To add a new classroom go to Administration, then to Groups. Next, select Add New Group.
This will lead you to a page where you can fill out the necessary information to make your Class or Group. Fill out the name of the class, who the primary teacher is, any additional staff you would like to add, then select Students for the class.
Make sure to click Save Group to save your changes once you are done!