Are there any two words more filled with trepidation for a middle schooler than “new school”? Well, maybe “avocado prices,” but that’s probably more for the moms. Plop that middle schooler in a new country, state and city, and you’ve got a recipe for a confused kid. According to sociologist David C. Pollock, “A Third Culture Kid is a person who has spent a significant part of his or her developmental years outside the parents’ culture. The TCK builds relationships to all of the cultures, while not having full ownership in any.” Though they’re American citizens, one child has never lived here, the other one doesn’t remember living here,…