This qualitative study is about the differences and similarities between the organization Friends and schools’ methods to prevent bullying. Aggression, bullying and discomfort in schools result in that many students do not dare to go to school because of their fear that they might get attacked and become systematically bullied. Bullying is a universal and persistent problem. In this study the reader will receive a better understanding and get an insight into the problems that teachers and students experience and struggle with every day in dealing with bullying in schools. Bullying has been a major problem among children for a long time. It was about 40 years ago the word bullying was first employed. Despite all the measures and  methods to address bullying, the problem of bullying still remains. This study focuses on the problem of bullying in multicultural schools. The research is based on two multicultural schools in Botkyrka municipality. It examines how they work to prevent bullying and their collaboration with the organization Friends.