By Hailey Branson-Potts, Los Angeles Times, April 22, 2020 With schools closed because of the coronavirus, educators in vast stretches of rural California are struggling not only to teach their students but to reach them. From the mountain hamlets of Northern California to the farming communities of the Central Valley to the desert towns near the U.S.-Mexico border, small schools are grappling with how to serve far-flung, impoverished students with less access to at-home internet, spotty...