Bullying is a widespread problem. Statistics reveal that about one in seven students from Kindergarten through 12th Grade has either been a bully, or a victim of bullying. It can leave your child in tears - or worse. And many times they're reluctant to tell you what's going on. But knowledge is power, and there are several programs across the country that have helped thousands of kids learn how to change the way they relate.Check out the video above to find out more about programs like Rachel's Challenge and Challenge Day.Copyright 2012 America Now. All rights reserved.