Duke TIP Program
Here is the link to the official Duke TIP site which contains the information that you might need. They do a great job of answering the phone!
Here is a link that give some general information on the benefits of being involved in the Duke TIP program.
Here is a link to a site that will discuss releasing of your scores either from the SAT or the ACT.
Here is a link that will help you retrieve and/or make your scores permanent.
Here is a link to Duke TIP resources.
Here is a link to a blog on Gifted students and the Duke TIP program.