In one recent national survey of teenagers who had been in relationships, 29% reported experiencing sexual or physical abuse or receiving threats of physical violence from partners. About 10% in grades 9 to 12 consistently say they've been physically hurt on purpose by a dating partner during the past year, according to the ongoing Centers for…

"Relational aggression" refers to harm within relationships caused by covert bullying or manipulative behavior. Examples include isolating a youth from his or her group of friends (social exclusion), threatening to stop talking to a friend (the silent treatment), or spreading gossip and rumors by email. This type of bullying tends to be…

Students who engage in physical aggression in school present a serious challenge to maintaining a safe and supportive learning environment. Unlike other forms of student aggression, fighting is explicit, is violent, and demands attention. A fight between students in a classroom, hallway, or the lunchroom brings every other activity to a halt and…