Risk factors of school. The school is like a second home, the children spend the time in that most. School is a good source, knowledge and ability to Thai children in order to make the child citizen and quality of society. Some schools also take care of the children. But some schools not standard support protect children to focus on the regulations that the potential of students being regardless of the problems of students and also choose to use Violence in solving the problem behavior of students rather than listening to reason.