The college interview is one of the few vehicles that you have (other than your essay) to showcase who you are beyond raw numbers. While the interview is not considered an essential part of your application, it can definitely put your application in a better light if it goes well.
A few tips to remember during the college interview:
Asking questions and explaining why you want to attend are good ways of demonstrating enthusiasm. Just don’t come to the interview dressed up as the school’s mascot.

Marc is the author of Untangling the Ivy League, a best-selling guidebook on the Ancient Eight. He earned a BA from Cornell University and an MBA from University of North Carolina – Chapel Hill. Marc chaired the admissions ambassadors at Cornell and the admissions advisory board at UNC.