The decision to close schools came suddenly nine weeks ago as the coronavirus started spreading in local communities, b ut the process of reopening will require a great deal of thought and planning. In the final part of the WXXI News series, "Pandemic Academics," we explore the many challenges facing districts as they contemplate a return to the classroom. This time of year, kids are usually counting the days until summer vacation, but Marin and Grace Papponetti can't wait to get back to school.