This Open-Source Guide is a comprehensive resource for schools, communities, and organizations aiming to launch or improve their school food programs. It combines strategic planning tools with hands-on operational guidance, offering actionable steps for every stage of program development. Its purpose is to provide clear, actionable advice while emphasizing the flexibility needed to adapt to diverse contexts. This manual captures Flourish’s commitment to equitable, nourishing, and sustainable food access for all students, combining proven strategies with a forward-looking, community-driven approach.