I quite often get asked about session sizes by new students, and was wondering what was the reason for this? Are you looking for a class that is busy, so possibly popular... or are you looking for a class that is no so busy.
I think its a little of both.... On the one hand, they may wish to take into consideration how much individual attention they might get in class. Or they may be looking for a larger class that they can kinda "blend" into.... who knows?