In a world of expanding class sizes and shrinking budgets, it’s rare to find a new teacher with his or her own classroom. New teachers often juggle multiple sections of multiple preps in different rooms—sometimes teaching back-to-back classes on different floors. Though some veteran teachers welcome newbies into their rooms with open arms, territoriality and entitlement are common when it comes to shared classrooms. As a new teacher, navigating shared rooms can be frustrating and anxiety-inducing. Here are some tips for making the most of this challenging situation.