This study explored the influence of school leadership styles on teachers’ job performance in public secondary schools in Delhi. Using a descriptive survey design, data were collected from 20 teachers (20% of the population) selected through stratified random sampling across four education zones and 10 principals included via a census approach. A pilot study confirmed instrument reliability with a Cronbach’s alpha of 0.78. Quantitative data were analyzed using descriptive statistics to examine how leadership practices impact teacher motivation, resource utilization, decision-making participation, and overall performance. Findings highlight the role of effective leadership in enhancing teacher performance and inform strategies for improving educational outcomes in public secondary schools