The main purpose of the study was assessing the factors affecting school leadership effectiveness and implication for school good governance in the secondary schools of Jidarnworeda. In order to meet the objectives, a descriptive design was used, and both quantitative and qualitative methods were employed. Only two secondary schools were selectedrnpurposively. The researcher used Census method for secondary school teachers for questionnaire. Interviews and FGD was selected purposively form populations. Data collected from both primary and secondary sources. Quantitative data gathered from questionnaires and semi-structured interview guides, and FGD were used for the purpose of collecting relevant qualitative data. Data obtained through questionnaires were analyzedrnusing statistical tools like frequency, percentage, mean, average mean, and standard deviation. Moreover, data gathered through interviews and FGD was considered to complement the questionnaires in narrative form. The collected data was analyzed throughrnSPSS version 21 and to present the data statistical tools like the table and bar chart werernused. The finding of the study showed that the factors affecting SLE in the study arearnwere the use of technology or ICT, professional development, resource availability andrnschool culture respectively. On the other hand, conflict management is not factor affecting SLE. The study also revealed that lack of ICT infrastructure and utilization, lack ofrncontinuous professional development and training, insufficient resource to run schoolrnactivities, weakness in creating conducive school culture and absence conflict management and resolution of secondary school were the ways in which each factors affectingrnSLE. Furthermore, the study indicated that SLE has implication for promoting schoolrngood governance through Increase participation, Enhance accountability, Plan Strategicrnvision, Increase effectiveness and efficiency, promote equity, Increase transparency andrnEnhance openness. Finally, the researcher mainly recommended that, give attention tornthe continuous professional development and training that initiate school leaders andrnteachers; stakeholders' participation and collaboration; schools need to think of theirrnown income generating sources on top of government budget through improving theirrnrelationship with school communities by developing project proposal and submit to international donors, at provision and utilization of technology or ICT in the schools.