I think he argues that school is not a platform for free speech
Yes I think he actually sleeps there because throughout the whole poem he talks about how he loves this girl an how beautiful she is. Also by the other Edgar Allen Poe poems and stories I've read by him he seems to talk about death and is very literal about it.
I think they are played romantically as heroines.
The point of view dictates our viewpoint into knowing things, whether that be from a third-person omnicscent to a first-person tell of tale. With your specific point of view comes things in detail for each kind.