This study aimed at investigating the human resource management (HRM) practices of heads of community schools on effective delivery of secondary school curriculum in Serengeti district. The specific objectives were to examine the utility of HRM practices in urban and rural community schools for effective delivery secondary school curriculum; assessing the performance of HRM practices of school heads in Serengeti district and assessment on the best strategies for improving HRM practices of school heads in favor of formative evaluation of the secondary school syllabus. The mixed method approach and an ex post facto research design were used in this study. Sample size included 251 participants. Data were obtained through questionnaires, interviews and review of documents. SPSS program was used in analysis whereby data are presented in frequencies, central tendency and chi-square and content analysis. The research findings have revealed that HRM practices of heads of schools link to effective delivery of secondary school curriculum. They facilitate improvement of teaching strategies, rewards and give incentives to workers as a motivation. The general conclusion of this study is that, HRM practices of heads of schools is the notable mechanism for effective delivery of secondary school curriculum. It is recommended that all heads of schools should attend courses on HRM. The political and government leaders need to improve education system in Tanzania