The InPACT Policy Brief presents a policy and investment case for expanding InPACT across Michigan schools. The brief highlights evidence of InPACT’s potential to improve student physical activity, on-task behavior, emotional regulation, and school climate while reducing barriers to implementation. It also emphasizes the critical role of dedicated implementation facilitators in helping schools integrate physical activity into daily practice, build cross-sector partnerships, and sustain these efforts over time. The brief outlines a scalable investment strategy, providing policymakers and community leaders with a framework for investing in healthier, more active, and more resilient school communities.