But now she feels like a remora,
'cause the school's still close at hand.
The definition of remora is:
Any of several marine fishes of the family Echeneidae, having on the head a sucking disk with which they attach themselves to sharks, whales, sea turtles, or the hulls of ships. Also called shark sucker, suckerfish, suckfish.
I don't see the tie-in unless he is trying to say that "she" has attached herself to the "land sharks".
(Yes, I know this is anal.

