Dissertation (MA Public Administration)The study focused on factors influencing teacher turnover in public secondary schools in Monduli district. The study particularly sought to investigate factors influencing teacher turnover, impact of teacher turnover and strategies to retain. This study therefore investigated the factors responsible for this revolving door also called teacher turnover in public secondary schools in Monduli District. A sample size of 66 respondents was employed so as to get relevant and reliable information concerning to the study and probability and non probability sampling procedures was utilized to get this sample. Primary data and secondary data were utilized whereby social survey and interview used as method of data collection. Also questionnaire and interview schedule were utilized to get primary data. Data analysis was employed both qualitative and quantitative; whereby SPSS Version 16 also employed. The findings revealed that, there are lack of motivation, poor working conditions, poor pay, poor management or supervision which were categorized under factors significantly influencing teacher turnover in public secondary schools in Monduli District. Lastly, the study findings also demonstrate that factors like better pay elsewhere, low status of the teaching profession and competitive conditions elsewhere also brought about teacher turnover. The study recommends that all stakeholders especially policy makers and government should consider putting in place policies and strategies that will attract and retain teachers to ensure better retention rates for the good of the whole education system in Monduli District and Tanzania as a whole. Thus, the Government must therefore pay teachers well; provide them with economic incentives, and involve them in decision making. These can motivate teachers to stay in public secondary schools in Monduli District.