The importance of the competence of principals and teacher discipline is one of the determinants for increasing teacher productivity and school success. This research aims to determine the effect of principal managerial competence and teacher discipline on teacher productivity. This study uses quantitative analysis with the ex post facto method. The population of this study was 115 teachers spread across 7 State Elementary Schools in Telen District, East Kalimantan Province. By using the cluster random sampling technique, a sample of 68 teachers was obtained. Instruments were used with a questionnaire. The results of data analysis using multiple linear regression concluded that the principal managerial competence had a significant effect on teacher productivity, teaching discipline had a significant effect on teacher productivity, and principal managerial competence and teacher discipline had a significant effect on teacher productivity. This research can increase teacher productivity in the success of the school in achieving its goals.