With new flexibilities in Medicaid funding, states and school districts have a unique opportunity to expand their school-based mental health programming and repair inequities in service access and delivery. In this paper, jointly produced by TAC and the Jed Foundation, the authors offer guidance to schools, states, and the Centers for Medicare and Medicaid Services (CMS) to reduce administrative burdens, leverage targeted TA from the federal government, and meet the increasingly critical mental health needs of young people in the United States.