ABSTRACT.
The researcher intends to find out the impact of deviant behavior on academic performance of secondary school students in makindye division, Kampala district Uganda. This research has not been done before so the researcher hopes to get better solutions to be used by stakeholders to solve the challenges. the researcher conducted his research using qualitative and quantitative approaches. He also used survey strategy to collect information. Questionnaires were the main tools to be used by researcher. A sample population of forty teachers from four schools (sampled schools) used and results of the findings were recorded, analyzed, recommendations, were made and suggestions for further studies were also made and suggestions for further studies were made. A major conclusion as that if the deviant behavior are reduced and finally eradicated, the nation shall have serious and law free citizens who are fruitful in nation building. The study recommended that teachers and parents ought to be excellent role modes and guiding and counseling programmes must be emphasized in schools. Suggestions for further studies were recorded as follows. The role of government to the learners with deviant behavior, the reaction of parents and teachers to learners with deviant behaviors and strategies applied to solve the deviant behaviors learners in Kampala district.