Wait-listing is new for SJU (2012), so we may not know all of the answers yet.
Below are some typical questions you may encounter:
How can a student sign onto a waitlist and how will a student be notified of an open seat? article 237
How can I tell if a class section has a waitlist, and if so, how many people are on it?-article 235
How can I tell what students are on a waitlist?-article 236