In order to assign or unassign a course to a classroom:
Navigate to the 'Assignments' tab in the Admin Dashboard.
Make sure the course filters (arrow 1) are set to ALL for level, category, and topic unless you’re searching for a specific course.
For each classroom, hover your cursor over the box to assign (click the +)
or unassign the course (click the X)
(in the area marked by arrow 2.) Or refer to arrow 3 which is a section that allows you ao bulk-assign or unassign all the courses for all the classsrooms in the current subscrirption. Where possible, set the progress limit for the relevant challenge number by selecting the small downward arrow and clicking "Set Progress Limit". You can then type in the challenge number you wish to limit students to. Press the enter button on your keyboard to save these changes.
*You can also assign or unassign all courses to all classrooms.
*You and your teachers can still assign or unassign a course from the classroom dashboard courses tab.