You say your parents have heavily exposed you to and pushed you towards various elite schools.
If you don’t like Penn and Princeton, but they don’t like Vanderbilt, isn’t there some other college that appeals to all three of you?
Vanderbilt ranks up there with Brown and Cornell in the college-ranking hit parade. What do your parents not like about it? The location? The distance from home? If they want you to stay in the mid-Atlantic area, there are quite a few good alternatives.