Part of course:
College Interview Tips
- Your interest in the college
- You as a person
- Miscellaneous — these are designed to test your creativity
If the college you're applying to offers interviews, I would highly recommend signing up for a slot. This is an opportunity not just to touch upon anything you feel like wasn't well represented in your application, but also to see if you'd be a good fit for the college by asking the interviewer specific questions about the university.