This study aims at determining the effect of supervision, leadership and working motivation to teachers' performance. The research was conducted on junior high schools in the city of Bogor, West Java, Indonesia. Survey and data analysis by using regression and correlation analysis are used to test the effect of three independent variables of supervision, leadership and working motivation to one dependent variable of teachers' performance. Tested on the level of confidence of 0.05 to 289 teachers by using proportional random sampling, the result reveals that there is a positive relation found among all variables. By observing coefficient of determination, it is concluded that supervision can boost the performance up to 72.4%, leadership reaches 72% and working motivation contributes 77.2 %.