Bullying is formally defined as unwanted aggressive behavior by another youth or group of youths (not siblings or dating partners), involving a perceived or observed balance of power . These behaviors are continuous and can inflict harm on communities, individuals, families and schools. Up to 90 percent of students report they have experienced bullying by the time they reach eighth grade. Our comprehensive list of resources should serve as a guide for educators and parents to help put a stop to bullying in our schools and communities. Read more.