What happens if a class fills up during registration?
It is up to the individual instructor how they manage a waiting list, and whether they establish one at all. The instructor, and not the Department, determines who will be added. The first issue to be settled is whether anyone can be added. Instructors usually will add students if seats are available in the lecture room. Some may even try to arrange for a larger lecture room. If students can be added, more senior students and those who put their names on the waiting list earliest are normally given preference. If you have special reasons for needing the course, you should e-mail the instructor a note explaining the circumstances. In most cases the best thing to do is to attend the first class meeting. If the instructor can add you, she or he will give you a “permission number” to allow you to be added into the class.