For interviews, I am just going to wear what I normally wear to school, or if I am going out somewhere. I would not recommend getting too dressed up (as in a suit). Just be yourself... I think that is what most schools look for.
I do not like to be the bearer of possible bad news for you portafoy, but I was accepted to RISD and I believe they called the other people they accepted. They did create a waiting list though - I do not know how those people are being contacted.