Someone goes to prison
Someone attempts suicide (kind of moot because Eric)
Someone ODs
Someone has an accident and people think they're dead
Case of mistaken identity
A character is mistaken for a prostitute
A character dates someone who is famous (whether they're real famous or a fake famous character)
Someone cheats on exams
Someone is expelled
Someone is doing something against school rules and is almost expelled, and someone else takes the fall for them
Someone leaves their phone behind and someone else steals it and pretends to be them

Just some more ideas