The study aimed to identify the adaptive leadership used by the school heads and school performance on the school-based management in the District of Victoria in the school year 2022-2023. In this study, the descriptive correlation was employed. The research instrument used in this study was an online survey questionnaire which aims to assess the adaptive leadership of the school heads in terms of emotional intelligence, organizational justice and character. The data obtained from the survey were analyzed using weighted mean to describe the observation of the respondents with regards to the school performance on the school-based management. The Pearson-Product Moment Coefficient of Correlation was used in this study to determine the relationship between adaptive leadership and school performance on the school-based management. It was found out that the Adaptive leadership of school heads with regards to Emotional Intelligence in terms of self-awareness, self-management, social-awareness and relationship management were all high as always observed by the teachers. At the same time, the level of adaptive leadership of school heads with regards to organizational justice in terms of decision fairness, information sharing and outcome concern were also high as being always observed by the teachers. Another level of adaptive leadership of school heads as to character with regards to integrity, credibility, and values differences were always observed high to all teachers. Therefore, adaptive leadership of school heads are positively correlated to the school performance on the school-based management. While it was found out that the level of school performance on the school-based management in terms of leadership and governance, and management and resources were all very high as being observed by the teachers while the curriculum and learning was observed high by the teachers. The result of the study revealed that adaptive leadership of school heads is significantly related to the school performance on the school-based management. Moreover, based on the results of the study the adaptive leadership of school heads must continue to be developed through trainings and seminars.