The success of an educational institution is not only supported by complete facilities and infrastructure, qualified teachers, excellent student performance, but the performance of teachers in schools has an essential role in achieving educational goals. This study aimed to analyze the effect of work motivation on high school teacher performance. This research used descriptive analysis and inferential analysis methods. This type of research is a professional study in high schools in West Leihitu Sub-District, Central Maluku Regency. Data were obtained through questionnaires with data analysis techniques used were descriptive statistical analysis and inferential statistical analysis. The results obtained described that work motivation and teacher teaching performance are moderate. Work motivation has a significant positive effect on teacher teaching performance. Work motivation has a significant positive effect on teacher teaching performance. This study concludes that there is a positive and significant influence of work motivation on teacher teaching performance.