The Effect of School Environment and Teacher Professional Competence on Student Achievement Through Motivation as an Intervening Variable (Case Study: Sma Gkpi Padang Bulan Medan)

This research aims to analyze the influence of the school environment and teacher competence on student learning achievement through learning motivation as an intervening variable for students at GKPI Padang Bulan Medan Private High School. The research was conducted on students at GKPI Padang Bulan Medan Private High School. The population in this study was 269 people. The sampling technique used in this research was simple random sampling using the Slovin formula to obtain a sample of 161 students. The data collection technique used was primary data in the form of a questionnaire and secondary data through documentation studies. The data analysis technique uses quantitative data processed with the Smart PLS 4 program, namely validity testing, reliability testing, hypothesis testing and path analysis. The results obtained in this research are that there is an influence between the school environment on student learning achievement through motivation. This is because the calculated t value > t table (1.988 > 1.96) or P Values 0.030), so H0 is rejected and Ha is accepted. Based on data processing on student learning achievement, it is known that there is an influence between teacher competence on student learning achievement through motivation. This is because the calculated t value > t table (2.200 > 1.96) or P Values 0.048), so H0 is rejected and Ha is accepted.