Many colleges encourage interviews as part of the application process. Some even require them! For most students, a college interview is a first with sitting face-to-face with someone in a high pressure situation. Whether in person or via Skype, interviews are a great opportunity for representatives of the college/university to get to know the student as a person. The Common Application has some great suggestions on how to make the most of this opportunity.
Check out their tips here: How to Ace the Admissions Interview
Check out their tips here: How to Ace the Admissions Interview