That ding you just heard was another text or email coming in to a principal who is already overworked and underappreciated as he or she tries to get through the last lunch of the day without having to call an ambulance or calm down an irate parent. It leaves us to wonder how in the world a principal might have the time to set forth an instructional vision and if that vision can somehow, someway mesh with the increasing demands we all feel related to state accountability measures and teacher appraisal. To wrap our arms around these disparate initiatives and bring them together under one unifying vision, a top-notch instructional leader must know the key levers to pull to make it all work. That means…
