„Children who are bullied are likely to experience interpersonal difficulties, to be depressed, lonely or anxious, to have low self-esteem and to suffer academically, but all actors, including bystanders, and the school climate as a whole are affected detrimentally.“

UNO, General Assembly (Hrsg.), „Protecting children from bullying. Report of the Secretary-General“ vom 26. Juli 2016, S. 4