Effective classroom management is playing a crucial role in strengthening teaching learning process and makes it more effective, productive and successful. Without effective classroom management, teaching learning process has no fruitful results. The purpose of the study was to examine the techniques used by secondary school teachers in managing classroom disruptive behaviors. All the secondary school teachers and students in Karak District constituted the population of the study. Only 135 secondary school teachers and 920 students were selected as sample through simple random sampling technique. As the study was descriptive in nature therefore questionnaire was used as research instrument. Statistical tools i.e., percentage and chi square were used for the analysis of data. After analysis of data, it was concluded that the overall performance of the secondary school teachers in managing classroom disruptive behaviour is satisfactory as they use constructive and appropriate techniques to control the classroom disruptive behaviour. However, the negative areas of the secondary school teachers in managing classroom disruptive behaviour are that they do not devise any rules and regulations of classroom management at the beginning of new session. Parents are not informed through letters about the disruptive behaviour of their children. Based on findings, it was strongly recommended that at the beginning of new session, classroom management norms, rules and regulations should be formulated and announced so