There is no doubt that we will see greater disaparity in ability levels amongst the students in our classrooms given the time lost learning in a consistent, structured, and equitable educational environment over the past year.
In fact, a recent study conducted by researchers at the Annenberg Institute at Brown University projected that most students will return to school with, "approximately 63-68% of the learning gains in reading relative to a typical school year and with 37-50% of the learning gains in math."