For more than 15 months, students, families, and educators across the country have been adjusting to new ways of teaching and learning while navigating a deadly virus, an economic downturn, and social distancing. But the most challenging effects of these crises were borne by communities that were already underserved and under resourced, including immigrant communities, migrant farm worker communities, refugees, and linguistically diverse families. Through the American Rescue Plan (ARP) Act, Congress has provided almost $130 billion in funding to support K-12 education. ARP specifically requires states and districts to set aside at least 5% and 20% of the funding they receive, respectively, to address interrupted learning for students most affected by COVID-19, including English learners and migrant students, and provides some specific funding to support the needs of students experiencing homelessness and students with disabilities. This guide includes key actions districts can take to: (1) meaningfully engage linguistically diverse families and communities; (2) accelerate student learning with targeted supports for English learners; (3) provide students with social, emotional, physical health, and mental health supports; and (4) build infrastructure to support English learners in the long term. [This report was co-produced by Next100.]