Leadership and motivation as key drivers of teacher performance: A quantitative study at SMA Negeri 1 Mendoyo

This study investigates the individual and simultaneous contributions of (1) situational leadership, (2) work motivation, (3) work ethic, and (4) job satisfaction to teacher performance at SMA Negeri 1 Mendoyo, Jembrana Regency. Employing an ex post facto design, the research encompassed the entire population of 42 teachers, making it a population study. Data were collected using Likert-scale questionnaires and analyzed through product-moment correlation, partial correlation, and multiple regression. The results demonstrated significant individual contributions: situational leadership accounted for 81.5% (R² = 0.815, p < 0.01, effective contribution = 22.48%), work motivation for 89.6% (R² = 0.896, p < 0.01, effective contribution = 32.53%), work ethic for 77.2% (R² = 0.772, p < 0.01, effective contribution = 22.33%), and job satisfaction for 76.3% (R² = 0.763, p < 0.01, effective contribution = 16.76%). Collectively, these factors explained 94.1% of the variance in teacher performance. These findings underscore the synergistic role of leadership, motivation, and ethics in enhancing teacher performance, offering actionable insights for school administrators.