: There are three objectives of this study is to describe the reality of deviant behavior among students, knowing the causes of deviant behavior, describe the role of Islamic Education teachers in dealing with deviant behavior. Data sourced from the Principal, Vice Principal of Student field, Islamic Education teachers, and learners. Data collection methods used were observation, interviews, and documentation. The results showed that the deviant behavior of learners Reality SMA 1 Pomalaa Kab. Kolaka is not uniform completeness according to the rules of discipline of the school, long hair for Men, for Women excessively ornate, late for school, play truant (leave early), located in the cafeteria during school hours, smoking in the school environment, said the language is less polite, brings HP and accessories, fighting, memalak, and gambling. Whereas the causes of deviant behavior is caused by three factors: environmental factors family, school, and community. The role of Islamic Education teachers in dealing with deviant behavior. First, the preventive measures (prevention), Second, repressive actions. Third, curative action.