After you interview, the small regional committee (East, West, Midwest, South) reviews your app and decides whether to reject/waitlist you or advance your app to the second stage. If your app advances, then a large committee reviews your app and decides whether to accept or waitlist you.
Kafka79, when your interviewer said you're in "the highest list," that probably means you made it past the regional review, but were waitlisted by the large committee.
The best thing to do would be to write a letter of intent. PM me if you want details on that. I can probably help.