This project focuses on the critical issue of childhood obesity in Queensland, Australia, and explores the implementation of school-based physical activity interventions as a key strategy for prevention. The report begins by highlighting the growing concern of childhood obesity and the importance of physical activity. The project utilizes the PRECEDE-PROCEED model as a framework for health promotion planning, and it identifies key stakeholders including school authorities, teachers, parents, and funding organizations. The project sets specific goals, objectives, and sub-objectives, with targets for increasing student participation in physical activity, incorporating physical activity into the school curriculum, providing physical activity equipment, and establishing structured after-school programs. The strategy portfolio outlines action areas based on the Ottawa Charter, including creating supportive environments, developing personal skills, strengthening community action, reorienting health services, and creating healthy public policy. Activities are detailed for each strategy, such as creating optimal environments at recess, implementing health-related education programs, providing physical education programs, providing intrinsic motivation, and incorporating physical activity breaks during classes. The project includes a project governance structure outlining the roles and responsibilities of various stakeholders. The project also includes a literature review sanity table that provides a detailed analysis of research articles related to the project. This assignment provides a comprehensive overview of the strategies and actions that can be implemented in schools to promote physical activity and combat childhood obesity.