The main purpose of this study was to determine the organizational change, adaptability and performance management among proficient teachers on the implementation of RPMS-PPST in the Province of Laguna. The descriptive technique was utilized in this study to examine the link between organizational change, adaptability and performance management on the implementation of RPMS-PPST. The study employed five hundred (500) secondary proficient teachers from the districts of Nagcaral, Liliw, Rizal, Magdalena, Majayjay, Cavinti, and Luisiana as respondents.         The significant findings and the result of the study revealed that the level of organizational change and adaptability management of the selected proficient teachers in secondary schools shows the respective indicators as to awareness, desire, knowledge ability and reinforcement for organizational management and relative to adaptability management collaboration, continuous improvement, realistic goals and observation are verbally interpreted as very high. However, relative to innovation, findings indicate that it is verbally interpreted as high. Moreover, in terms of the level of performance management as one of the important indicator in this study was revealed that the proficient teachers on the selected secondary schools shows continuous management, development, training, result orientated and performance review are verbally interpreted as very high. Based on the indicator set as community linkages, professional engagement, personal growth and professional development. In terms of the level of implementation of Result-Based Performance Management System-Philippine Professional Standards for Teachers (RPMS-PPST) are verbally interpreted as very high. Organizational change,adaptability and performance management with all of respective indicators as per result findings it observed significant relationship to the implementation of RPMS-PPST. The conclusion was reached based on the findings. On the facts above, can conclude that the null hypothesis There is no significant relationship between organizational management and RPMS-PPST adoption is rejected at the 0.05 level of significance. As a result, the alternative that implies a considerable relationship between them should be accepted. Additionally, at the 0.05 level of significance, the null hypothesis There is no significant association between Adaptability management and RPMS-PPST implementation is rejected. As a result, the alternative that implies a considerable relationship between them should be accepted. Correspondingly, based on the facts above, we may conclude that the null hypothesis There is no significant relationship between performance management and deployment of RPMS-PPST is rejected at the 0.05 level of significance. As a result, the alternative that implies a considerable relationship between them should be accepted. Based on the findings, the following recommendations are made. It is strongly recommended that school leaders focus and emphasize adaptability management, particularly innovation, to encourage teachers and students to explore, research, and use all available tools to discover and learn something new. It is suggested that performance monitoring focus on the requirements of teachers and the school community, allowing them to maintain track of their performance.