A ccording to the calendar, school isn’t over for another week. But as I sit in my car outside of the elementary school, wolfing down lunch out of a bag in preparation for an afternoon spent inside the classroom along with my fourth grader, let me assure you: the calendar is a damn liar. Because when school is actually in session, your children go there but you do not. Perhaps you have a job to go to, or groceries to buy or doctor’s appointments to make. I don’t know. The point is that you have places to be that aren’t your child’s elementary school. And this makes sense because you are not an eight-year-old. No matter what the calendar may promise (“May 22: Last…