Teachers as educational staff are one of the decisive factors in achieving educational goals, as teachers interact directly with students, to give guidance to create good students. business as expected. The aim of this study was to determine the effects of work discipline, training, and motivation on teacher performance. The sampling technique used is saturation sampling or what can be called a census with a total sample of 60 people. The data analysis technique used is Structural Equation Modeling (SEM) processed by SmartPLS application. Research results show that discipline in the workplace has a positive and significant impact on motivation and that training has a positive and significant impact on teacher performance. In addition, work discipline has a positive and significant effect on teacher performance, training has a positive and significant impact on teacher performance, and motivation has a positive and significant impact. to teacher performance. In this study, motivation may mediate the effect between work discipline and teacher performance. Motivation can also mediate the effect between teacher training and performance. These results provide evidence that motivational variability is a variable likely to mediate the effects of work discipline and training on teacher performance.