In the wake of the COVID-19 pandemic, Congress appropriated funds for schools primarily through the new Elementary and Secondary School Emergency Relief Fund (ESSER). The American Rescue Plan allocated $122 billion for school reopening. ESSER funding offers an opportunity to invest in the mental health of young people; however, schools must be intentional about substantially investing in student mental health. The U.S. Department of Education required each state to submit a reopening plan outlining how they were using and planned on using ESSER funds. The Center for Law and Social Policy (CLASP) conducted an analysis of 37 state plans to better understand if and how schools were prioritizing student mental health. This brief series evaluated how schools were prioritizing trauma-informed, culturally responsive, and healing-centered mental health care; Tier 1 supports like Social Emotional Learning (SEL); a behavioral health workforce diverse in both identity and credentials; collecting quality mental health data; and authentic youth engagement. This overview summarizes CLASP's framework for school-based mental health, key takeaways, and key recommendations. [For the other reports in this series, see ED617059, ED617060, ED617061, ED617062, and ED617063.]