For many school are all one big test in life. And even if the ratings is all right, there are relationships with classmates and teachers. And not everyone can find a common language with this or that. Many conflicts can arise even open or bullying. You can not resist this and remain silent because this attitude deprives self-confidence, self-esteem influences. And, of course, such situations life miserable. Therefore it is impossible to be silent. After offenders only and is calculated.