Still no detentions for me. I just don't do bad things!
But someone else in my class got detention for throwing a stink-bomb into a bin in the First-Year resource area... The whole place smelled of rotten eggs, and everyone knew who did it! XD
And another time, but I don't know if they got detention, it was really, really, really cold in a classroom, and a student asked for the teacher's coat. Since she was a good student, he said yes and she put it on. During the lesson, she searched through the pockets and found a packet of...
...what you never want to find in a teacher's pocket. To keep it as suitable as possible, I'll just say a packet of plastic. She like screamed: "OHMIGAWD, -------! *Blanked for those who would be... offended?*
So... yep. Good times XD