When the homework is due pretty soon, this is camping nearby the collection box, to get as much time to do homework before its collected. When the teacher does come, the campers usually rush out and hand it at the very last second.
Jerry: Hey, what's Nick doin under those stairs?
Tom: Looks like he's homework camping, again.
Jerry: Here comes Mr.Watson!!
Tom: Look! He's making a break for it!!
Jerry: Haha! What a n00b.....