In Grade 7, two kids I know wrote a list of "101 ways to kill [specific student]".
They received a talking two and detention after school.
The thing is, though, the kids who wrote the list are nice, normal people and the list was cleary a joke. The methods were all silly cartoon stunts like "feed him cheese until he explodes" and stuff. Their punishment made sense.
In this day and age, they probably would've been expelled.
Also, I completely agree with the thing Stephen King said about "[the kid never ended up flipping out....but those were the days before doing so would get you on the front page of the newspaper]". My dad actually works for the news, and he's been fighting to get the names and photos of the people who do this stuff prohibited from display on the air.