Of course! Jump right in! you can choose your own room, unless you want her to room with Blackie :p
The map is just a good reference, of course it wouldn't be cannon :p The large parking lots can just be open fields.
Gold Rush right? He looks good, Blackie has his room open for now, unless Twilightlicious wants to room with him, so your choice
FIRST ONE TO CLAIM IT! XP