The aim of this study is to identify student misbehaviors in the classroom and to determine the strategies, which can be used to change these behaviors. The population of the study is the secondary education teachers who work at Güzelyurt Region between 2015-2016. The sample of the study is based on three secondary education teachers, who were chosen by random sampling method. One on one interviews were held and and pre-arranged questions were directed to the chosen teachers. In the light of answers received, both the definition of undesired behaviors and what methods and ways teachers utilize were discovered. The undesired behaviors that teachers encounter in the classroom are: talking during class, showing without books and notebooks, bringing phones to the class, switching seats without permission, not paying attention to the class, situations arising from being disturbed by each other. The strategies teachers use for undesired behaviors in the class are: warning, making agreements with the students, dealing rewards or punishment, establishing eye contact, appointing tasks, sending them to the guidance services or the principle.