FRANCISCA CHIOMA NWACHUKWU2026-04-012026-04-012024-09https://repository.tangaza.ac.ke/handle/123456789/1590This study investigated the influence of principals’ participatory leadership on teachers’ job performance in public secondary schools in Ondo West Local Government, Nigeria. The objectives of the study were to establish the influence of principals’ practice of joint decision-making strategy on teachers’ job performance, principals’ supporting professional development strategy on teachers’ job performance, principals’ motivation strategy on teachers’ job performance, and principals’ collaboration strategy on teachers’ job performance. The study was guided by Social Exchange Theory. This study employed mixed-method approach and convergent parallel mixed-methods design. The target population was the 32 public schools in Ondo West Local Government. Ten (10) schools were selected through stratified random sampling. All the 10 principals of the sampled schools were included in the study. Yamene (1967) formula was used to sample 211 teachers from the target population. Questionnaire was used to collect data from the teachers, while interview guide was used to collect data from the principals. The research experts ascertained content validity. Split-half technique was employed to ensure the reliability of instruments and a score of 0.93 was realized. In the analysis of quantitative data, descriptive analysis was employed and findings were reported in percentages, frequency tables, pie charts, and graphs. The qualitative data was thematically analyzed and presented in forms of narratives and direct quotations. The study’s findings established that principals’ participatory leadership strategies which include decision making strategy, professional development strategy, motivation strategy, and collaboration strategy positively influenced teachers’ job performance in public secondary schools in Ondo West Local Government. In order to improve on sub-optimal performance of teachers, the study recommended that principals should engage teachers more in decision making processes, align professional development to the needs of the teachers’, principals be consistent and fair in their motivation strategy, and encouraging collaboration among teachers in the public schools in Ondo West Local Government.enThesis