Just a few months ago, I and oth­er pub­lic health offi­cials believed that until com­mu­ni­ty spread of the coro­n­avirus was con­trolled, schools should remain vir­tu­al. How­ev­er, the sci­ence and data now tell us a much more nuanced sto­ry, and we must adapt as new infor­ma­tion arrives