By Jack Berckemeyer and Debbie Silver Principal, assistant principal, or headmaster might be your official job description. But that’s just an umbrella label for a slew of jobs, isn’t it? You’re expected to be a data analyst, cheerleader, PR expert, parking lot attendant, production manager, public speaker, educational leader, problem solver, conflict resolver, curriculum coordinator, chief hand-holder, and polished liaison to parents, community, and higher powers in the educational system—to name only a few. And, oh, you’re also the person…