The School-Based Management (SBM) is a system of public education which is systematic and consistent decentralization to the school level of authority and responsibility to make decisions on significant matters related to school operations within a centrally determined framework of goals, policies, curriculum, standards and accountabilities. Thus, this study is primarily aimed to evaluate the implementation of the School Based Management (SBM) as correlates to the academic performance of selected public high schools. The researcher used a descriptive research of a correlation type in determining the respondents’ impression on the existence of the School-Based Management and the results of the National Achievement Test from the School Year 2010-2013. The data gathered were treated through the use of Pearson’sr, Standard Deviation, Kruskal Wallis and the Games-Howell Post Hoc Test. Results show that There is significant differences on the dimension of SBM particularly on the aspect of Leadership and Governance and the stakeholders such as the principal and community and the department heads and community. Likewise, there is significant differences between the stakeholders principal and department head, principal and faculty, principal and alumni, principal and community, principal and parent, and community and parent and the SBM dimension on Curriculum and Learning