Remember that the person doing the bullying requires help, too. A supportive adult can provide the message that "you don't have to be a bully forever," Young says. "You can start tomorrow and be somebody different."
[Read: Teen Stress: How Parents Can Help.]
Many resources now available aim to promote systemic social change to prevent bullying. For example, the National Crime Prevention Council provides an assessment of a school's climate and training to students, parents and school staff. The federal government has a similar approach with its "Be More than a Bystander" campaign, which encourages witnesses to put a stop to bullying.
A multitude of bullying prevention resources are available online, including the federal government's initiative; the Collaborative for Academic, Social, and Emotional Learning; and the National Crime Prevention Council.
Updated on 10/15/2013: This story was originally published on Sept. 15, 2012.