Welcome to first world problems,
newgirl. You are going to love it here.
I am a second year student at Ross and my opinions are based off of my interactions with Rossers and a bunch of other M7-T10-T1503324234 school applicants at GMAT Club.
1. You DO NOT need to mention your WL status to your interviewer. Most likely, your interviewer will be a current student and an alum and they will never be given your application status (removing bias is a big part of interviewing).
2. Most interviewers will not ask you which other schools you are waiting on/have offers from. It will never be a conversation. The only time I had that question was in a Tuck interview with their admissions director who is, well for the lack of a better phrase, not very well liked.
So I'd say, go nail the interview. Once you have the admit, see if you can squeeze in some $$. Also know that interviewers do not decide whether you get a scholarship, so don't even think about those variables right now. Focus on bringing your A-Game during the interviews.
And while you are at it, come check out our new
career forum (the first two threads are new and more coming soon!)