This research aims toexamine and analyze the effectiveness of the performance of Vocational High School (SMK) teachers in reviewing the principal's managerial skillsand achievement motivation. The problem of this research is based on the results of the study of students who tend to get poor ratings on a national scale, this is allegedly caused by the low quality and performance of teachers, lack of teacher achievement motivation, lack of managerial ability from school principals. The variables in this study are the principal's managerial skills and achievement motivation and teacher performance. The object and subject of the research are vocational school teachers throughout Minahasa Regency. Collecting data through a questionnaire with a measurement scale using a Likert scale. With data analysis techniques using multiple linear regression.

The research findings show that: 1) Principal leadership managerial skills affect teacher performance with a positive contribution of 50.1%; 2) Achievement motivation has an effect on teacher performance with a positive contribution of 48.3%; and 3) Principal leadership managerial skills (X1) and achievement motivation (X2) significantly influence the performance of SMK teachers (Y) in Minahasa district, with a significant contribution of 53.4%.

Keywords:teacher performance, principal leadership managerial skills, achievement motivation