This study aim to determine the locus of control of students in the eleventh class of SMAN 1 Sungailiat. In this study, a quantitative approach with a descriptive method is used. The data collection technique used was a locus of control psychological scale of the Guttman scale type. The sample in this study was 181 the eleventh class students of SMAN 1 Sungailiat in the academic year 2021/2022.…