This is the time of year when trending Pinterest searches are supposed to be back-to-school supplies and first-day-of-school picture ideas. This year, though, back-to-school shopping means stocking up on masks and hand sanitizer, and Pinterest searches for homeschooling resources are at an all-time high. Across the country, parents are faced with impossible choices of sending their children back to school with masks and distancing, virtual school at home, or all-out homeschooling. The…