This study examined the relationship between adolescents` school violence and family violence. Participants included 54 high-school students and 50 juvenile delinquents. Data were collected by individual interviews and self-reported questionnaires. Such statistical methods as frequency, percentage, mean SD, Pearson`s correlation, multiple regression are used to analyze the data. The results are as follows; Experienced family violence and witness family violence were associated with an increase in school violence behavior. The strongest predictors of school violence behavior was parental verbal abuse.