Event ideas:

- Weird alien disease that makes people's powers go crazy!
- Someone gets split into their good half and their evil half!
- Or alternatively, someone gets split into their happiness, their anger, their depression, their boredom, etc etc etc
- I think it's still early enough in the year that a freak snow storm could strand people in the school
- The staff get taken over by a mind control virus, forcing students to rebel against them