Education is all learning experiences that take place in all environments and throughout life. The development of a child's personality is largely determined by the education he receives. School is an educational institution that contributes greatly to the development of student personality and is a secondary force in the development of student personality. This research was conducted in Gunungsitoli 3 Public Middle School Academic Year 2018/2019 and the total population of class VIII students was 28 students. The research instrument used in this study was a Variable (x) questionnaire about school and Variable (y) about personality. This study uses a descriptive design with a quantitative approach. The results of this study indicate that there is a significant relationship between the School with Personality of Class VIII Students of South Gunungsitoli 3 Middle School Academic Year 2018/2019. This is based on testing the hypothesis by using the one-party t test at a significant level of 0.05 where t count = 3.699> t table = 1.706.