The purpose of this currents study was to examine the contributions of the contributions of leadership functions, supervision, and working motivation on teachers’ performance at public elementary school in one of the sub-districts in Jambi Province, Sumatra, Indonesia. Data were collected through a questionnaire from 122 teachers. The data were analyzed by using the descriptive analysis and regression analysis techniques, assistanced by the statistical application of the SPSS release 16.0. The findings of this study indicated that the leadership function included very high category with a mean value of 3.2657, supervision with a mean of 3.2608, motivation with a mean value of 3.3465, and teachers’ performance with the mean value of 3.4447. The findings of the simple regression analysis with a single-step method (entered) also indicated that the contribution of leadership function to teachers’ performance with a value of R Square was 47.6%, the contribution of supervision to teachers’ performance with a value of R Square was 45.3%, and the contribution of work motivation to teachers’ performance with a value of R Square was 69.3%. Furthermore, the findings of multiple the regression analysis showed that the contribution of leadership function, supervision, and working motivation altogether to teachers’ performance with the value of R Square was 74.3%. This study provided information for policy makers, school leaders, researchers, and teacher educators to understand how the contributions of the contributions of leadership functions, supervision, and working motivation affect teachers’ performance.