A Dissertation Submitted for partial fulfillment of the requirements for the award of the Degree of Masters of Science in Human Resources Management) of Mzumbe University.This dissertation looks on the management strategies against teachers turn over in Secondary Schools in Ilala Municipality. It is argued that there are the problems of teacher’s turnovers in secondary schools, which emanate from a lack of job satisfaction. Dissatisfaction could be due to a lack of psychological problems in the job, perceptions and realistic remuneration, and an unwelcoming climate within the school. Turnover may be costful to a school to suffer the following; loss of skilled teachers and disruption in the time table. These factors; (loss of skilled teachers and disruption in the time table) contributed to a culture of school organization or inefficiency management strategies in ministry of education, or municipal education offices, as the result they lead to shortage of teachers in the school which creates poor education performance in secondary schools in Tanzania. The foundation of this study was therefore based on the main objective which was to explain the nature and effects of teacher’s turnover and procedures of accessing them and solicits constraints and challenges that understanding factor that facilitate secondary school teacher’s turnover and to find feasible mechanisms for addressing the problem in Tanzania. This research reviewed various sources of literature written and presented by different scholars about nature and effects of secondary school teacher’s turnover. Review of related literature such as in text books, journals, and surfing through the internet. Research methodology, researcher used systematic approach in data collection and statistical research design and descriptive case study in nature where secondary schools perform in improving education sector in Tanzania. The approaches been used to obtain primary and secondary data. About 70 respondents were involved in the study from six secondary schools that two come from private and the least four government secondary schools at Ilala Municipal, other respondents included each three education officers from ministry of education, and Ilala education officers and the least four respondents from Nongovernmental organization (HAKI ELIMU). The research presented analyses and discussed the finding of the study, and shows that the there is a serious problems of secondary school teachers turnover because of poor management strategies. Most of the teachers agree that poor performance of the management as a source of teacher’s turnover which leads to poor performance in secondary schools. The study gave recommendations on the factors that may help to minimize secondary school teachers’ turnover and to find feasible mechanisms for addressing the problem in Tanzania.