Violence can take many forms including physical, sexual, and psychological harm. It includes behaviors like assault, battery, coercion, harassment, and threats. Violence against children in schools is considered a serious offense. Bullying is a specific type of violence defined as willful and aggressive behavior directed at a vulnerable victim, and it can seriously harm children's mental, emotional, and academic development. Cyberbullying is bullying using electronic means like social media and texts. Children who are bullied often show rebellious behaviors and have worse psychiatric symptoms. Repeated bullying can severely damage a child's ability to trust others.