<![CDATA[The purpose of this research is 1) to analyze the influence of the Principal's academic supervision on the performance of State High School teachers in Toba Regency; 2) to analyze the influence of work motivation on the performance of State High School teachers in Toba Regency; 3) to analyze the influence of the principal's academic supervision and work motivation on the performance of State High School teachers in Toba Regency. The method used in this research is a quantitative research method. The population is all state high school teachers in Toba Regency, totaling 416 people and a sample of 84 people was determined, which is 20% of the total population. Data was collected using a closed questionnaire with 65 items. The results of data analysis show that: 1) the calculated F value > F table between the Principal's academic supervision on teacher performance is 22.590 > 3.15, so it is known that there is an influence of the Principal's academic supervision on the performance of State High School teachers in Toba Regency, namely 21, 6%, 2) calculated F value > F table between work motivation and teacher performance, namely 44.658 > 3.15, thus it is known that there is an influence of work motivation on the performance of State High School teachers in Toba Regency, namely 35.3%, 3) F value calculate > F table between the principal's academic supervision and work motivation on teacher performance, namely 25.298 > 3.15, thus it is known that there is an influence of the principal's academic supervision and work motivation on the performance of State High School teachers in Toba Regency, namely 38.4%. Ha is accepted and H0 is rejected.]]>
