At school children are available, keeping track, all of their problems are perceptible, so the school child protection is a priority matter. In addition, school is member of the warning system; appear as an intermediary between family, authorities and social organizations. The prevention can be done here and the importance of social problem management make justified the presence of a professional helper. However it does not supported in our country. In my research I measured what the participants' experiences in a school that employing social worker. I have been conducted my research in a primary and vocational school in Szeged. I examined for teachers and students too what they know about responsibilities of social workers working there and how feel useful their presence. I analyzed self-administered questionnaires of 90 students and 22 teachers