The study explores the causes and effect of ataraxia on dropout students. Ataraxia means emotional detachment. Ataraxia comes when students don’t go to school regularly or when remain unconscious mind in the class room or don’t study part by part according to syllabus. There have many kinds of reason on dropout ataraxia is one of them. It is one of the new ideas on education sector. The study is both qualitative and quantitative in nature. Data are collected by purposively sampling. Both primary and secondary data are used for the study. SPSS (17.0) program have been used for required result. From the study it is observe that dropout causes by ataxia at secondary level in Bangladesh.