Reopening Schools Safely in California: District Examples of Multilayered MitigationSince August, schools across California have reopened for in-person learning, undertaking the challenging but crucial work of ensuring student safety. The state has enacted several first-in-the-nation public health policies to support safe school reopening, such as a renewed mask mandate for schools and offering resources to support free, school-based testing and vaccine clinics. With these and other public health policies in place, California’s COVID-19 case rate has steadily declined since mid-August. As of September 20, 2021, the state had the lowest case rate in the nation.