A Dissertation submitted in partial fulfillment of the requirements for award of the Degree of Master of Leadership and Management (MLM) of Mzumbe University.This study investigated the role of School Management Committees in improving students’ academic performance at Ubungo district in Dar es Salaam. Three objectives guided the study: Firstly, to analyze how SMC helps in improving school management, secondly, to examine how SMC facilitate citizens and parent’s participation in the management of the schools and thirdly, to identify how the SMC motivates teachers. The study employed convergent parallel mixed method where a researcher used quantitative and qualitative data under cross sectional study design. The study also involved sample of 90 respondents from 15 ward secondary schools found in Ubungo district. Data were collected through questionnaires and interview and analyzed using descriptive statistics. The findings revealed that, SMCs are very active in day to day school supervision, monitoring capitation grants in cooperation with the school management and transparency to the community. Furthermore, SMCs played a great role in preparing and arranging parents and teachers meeting which led to the improvement of students’ academic performance. Additionally, SMCs played a great role in maintaining good students’ behavior and discipline for the improvement of students’ academic performance. The study concluded that, even though the results show that SMCs are ineffective in some areas such as providing allowances and training to the teacher, is still considered and adopted as the key factor for the improvement of students’ academic performance. The study advocates teachers, parents and community to cooperate fully with the SMCs in managing the schools for the aim of improving students’ academic performances. For the school that does not formulate SMCs should do effectively for the better academic performance.