of sustained leadership is required to improve school systems. Tenure in Superintendent Position Matters!
Recent studies indicate that where school districts retain strong superintendents over time, district performance increases with measurably significant results for the students. (Marzano, McKinsey)
What does it take to improve a school system? At least six years of sustained leadership is required (McKinsey and Company, 2010, page 28). Sustained leadership over time is the most critical component of creating the conditions of improvement in school systems.