COVID-19 has upended strategies teachers rely on to connect with kids and teach their subjects. In the Wallingford-Swarthmore School District, teachers have had to switch gears several times, going all-virtual last spring, then preparing over the summer for in-person school, only to learn that school would stay virtual after all. Then, in October, most teachers went back to school buildings, teaching cohorts of students in a hybrid of in-person and virtual instruction. Free to read and share