Each year many people die of the hazardous effects of smoking in the world. Additionally, smoking leads to disadvantageous conditions for both economy and health. Adolescents experience "search for identity" and anxiety for the future more frequently in contrast to other age groups. They also experience intense rebellion against authority figure. If the family responds negatively to these acts, they become much more open to the environmental effects. The aim of this study is to investigate the number of students in TT Kaplan social sciences school who smokes. The study has a survey model. The participants of the study are a total of 249 TT Kaplan social science school students. The data of the study were collected through survey questionnaires. The data obtained were analysed by make use of descriptive statistical techniques, especially in the form of means, frequency and percentage. These findings clearly suggest that long-term training activities to avoid smoking are needed in TT Kaplan social science school. (C) 2015 The Authors. Published by Elsevier Ltd.