juilett, you may not get maps from the admissions office, but you could suggest it, ditto with the floor layouts. Or they could put the floor layouts and virtual tours on line like Carnegie Mellon does. Check it out:
Housing Facilities Then you don't have to show your room, you just tell people to check out the website. I'm very surprised you aren't allowed into academic buildings. Perhaps your school should rethink that - there isn't a single school we visited where we couldn't go in the buildings. We tiptoed through the back of a few lectures, peeked in labs, glanced through open doors. We were told when we had to be quiet. I realize that you aren't in control of tour sizes, but if they get unwieldy perhaps you can suggest that the administration try harder with their recruiting of tour guides. Maybe they don't realize how impossible it is to give a tour to fifty. I don't think you need to cap it at five families, but once you have more than 20 or so on a tour, the quality goes down. As for your dress, kids shouldn't be judging the school based on your clothing and demeanor, but they do. That's the reality.