The study was conducted to determine the effect of shared responsibility of school community towards performance in the District of Santa Cruz.Specifically, this research sought to provide relevant information based on the following research questions (1) What is the level of shared responsibilities with regards to (1.1) Stakeholders as to (1.1.1) Financial Support (1.1.2) Services, (1.2) School Personnel as to (1.2.1) Open Communication, (1.2.2) Expectation, (1.2.3) Decision Making, (1.3) Parents as to (1.3.1) Manpower, (1.4) Alumni, (1.4.1) Commitment, (1.4.2) and Achievement, ( 2) What is the level of School Performance in terms of (2.1) Cohort Survival, (2.2) Promotion, (2.3) Retention, (2.4) Repetition, (2.5) Completion, (2.6) Graduation, and (2.7) Transition, (3) Do the Shared Responsibilities of the Stakeholders have significant effect to the School Performance? (4) Do the Shared Responsibilities of the School Personnel have significant effect to the School Performance? (5) Do the Shared Responsibilities of the Parents have significant effect to the School Performance? (6) Do the Shared Responsibilities of the Alumni have significant effect to the School Performance?The descriptive design was utilized to analyze the data systematically. A survey and a research-made questionnaire in the form of a 5-point Likert scale were used. Mean and standard deviation were used for the descriptive questions, while the Two-Sample T-test was used for the inferential questions.The salient points of the study presented found that the level of shared responsibilities with regards to stakeholders as to financial support and services, school personnel as to open communication, expectation and decision making, parents as to manpower, and alumni as to commitment and achievements were very high respectively. This means that the shared responsibilities of the school community are efficient and evident.School Performance based on the given data of the three schools in terms of cohort survival, promotion, retention, repetition, completion, graduation and transition, the schools perform better in the three consecutive years. This conclude that the helped of stakeholders, school personnel parents and alumni are relevant. The collaborative effort of the group result to improve the school goal.Therefore, the hypothesis is partially rejected, stating that there is significant effect in the level of shared responsibilities of the stakeholders in terms of financial support and services. The hypothesis is also partially rejected, stating that there is significant effect in the level of shared responsibilities of the school personnel in terms of open communication, expectation and decision making. The shared responsibilities of the parents in terms of manpower shows significant effect as evaluated by respondents. And lastly, the shared responsibilities of the alumni in terms of commitment and achievements shows significant effect as well.This recommends that the school community may continue to support those schools to help them perform at t...