Copies of parent letter? Check. Copies of syllabus? Check. Back-to-school outfit? Check. Fresh boxes of markers? Check. Neatly arranged groups of desks? Check. Enough coffee to set a baby elephant aloft into the clouds? Check. Want to see the true zombie apocalypse? Switch teachers’ coffee to decaf and watch havoc ensue in their classrooms. Every morning at my school, there’s a parade of Dunkin Donuts iced with cream and sugar, Starbucks peppermint mochas, homemade black coffee in travel mugs, and even the rare 7-11 coffee cup filled at the espresso machine. Sometimes a teacher who has been lovingly nicknamed the “Coffee Fairy” brings a huge carafe of coffee into the…