Few people understand kids better than elementary school teachers. Not only do they spend all day with kids, but teachers get to know their students' parents pretty well, too. From parent-teacher conferences to field trips and snack days, it's a collaborative relationship meant to foster their child's development. (And let's be real: what parent hasn't gotten a call from their child's teacher to discuss their *questionable* behavior in the classroom?) Teachers are full of wisdom about kids, w...