At corporations, leadership matters. A lot. Think of the impact of the late Steve Jobs at Apple or Facebook's Chief Operating Officer Sheryl Sandberg today, to name a couple.
CEOs often play a vital role in bolstering a company's performance, image and culture of success. (Although studies show that obscenely high CEO compensation isn't always the best incentive.)
For America's public schools, studies show leadership also matters — especially at the principal level and, not surprisingly, when it comes to teachers.