As communities in the United States consider how to safely re-open K-12 school buildings and in-person services, Centers for Disease Control and Prevention (CDC) offers updated considerations for mitigation strategies that K-12 school administrators can use to help protect students, teachers, and staff and slow the spread of COVID-19. These updated Considerations for Schools are intended to aid school administrators as they consider how to protect the health, safety, and wellbeing of students, teachers, staff, their families, and communities.