ABSTRACT: This study aimed at examining the effects of principal’s management strategies on student’s academic performance in public secondary schools in imenti north Sub-county Meru County, Kenya. The research used descriptive survey research design. The sample size was 30 principals sampled through purposive sampling of 2 heads of departments in every school. The researcher used structured questionnaire to collect data. This study revealed a positive relationship between strategy implementation and academic performance. It implied that 57.5% of changes in mean score were explained by the strategy implementation success. This research revealed a positive relationship between efficiency of teaching resources and student’s results. The challenges faced during implementation had a strong significant effect on the performance of the school. Low level of satisfaction with the facilities by the staffs significantly affected the implementation of principal’s strategies eventually negatively affecting the schools performance. This work informs higher education policies in developing countries. There is need for schools to adequately equip their schools with human and financial resources as well as improve teacher student ratio and satisfaction in order to improve performance. KEYWORDS- challenges, implementation, leadership, resources efficiency, strategy formulation