The Covid-19 pandemic has upended educational systems around the world, from kindergartens through graduate schools. Classes with students packed into seats and a teacher giving lessons from the front were suddenly transformed into some combination of online Zoom lessons, home instruction by parents, or solitary work. When things eventually stabilize and return to “normal,” what will that normal be? Sanjay Sarma, MIT’s vice president for open learning, sees this unprecedented upheaval as a moment to get rid of outmoded methods with little pedagogical basis, and replace them with new approaches…