The below letter to the editor responds to the latest of many criticisms leveled at the Boston Public Schools. Most of the criticism focuses on leadership, especially on the superintendent. But the superintendent is not the only factor in the functioning of the 46,000-student district. The central office directory lists 518 employees besides the superintendent who oversee the 4000-plus teachers and another 4000-plus support staff. It’s a vast bureaucracy, the largest department in the City. Yet there has never been a formal organizational analysis of the structure of the central office. What departments are needed? What staff does each department need? What are the lines of decision-making, communication, accountability?