With many schools closed around the country due to the Coronavirus, educators and parents may have growing concerns about how long students can go without formal instruction. Jennifer McCombs, a senior policy researcher for the RAND Corporation, has long studied the effects of summer break on learning -- particularly for at risk students from low-income families or students performing below grade level. In this episode of the EdCast, McCombs discusses how what we know from summer learning loss might guide educators, districts, and parents as they set forth on learning when school is closed.