Reopening schools safely has become one of the most controversial issues of the COVID-19 pandemic. The question is how to best balance the health and educational needs of students, teachers, parents, and the broader population. As physicians, we believe that such a balance can be obtained via careful, data-based procedures and practices. The input of all parties must be obtained and considered in doing so. All of us share the same goals of doing what is best for children, and the San Francisco Marin Medical Society (SFMMS) offers this document of principles in that spirit. It can be difficult to find reliable information about whether and how to reopen schools, as media, policymakers, and organized labor associations issue conflicting statements and guidance. This document is intended to provide clarity on the issue from an evidence-based perspective and with a priority on the health and well-being of children and their communities. Download SFMMS Principles for the Reopening of In-Person Schools Closed Due to COVID-19 Please direct questions to Conrad Amenta, Executive Director of SFMMS, at camenta at sfmms dot org.