The document discusses the key roles and responsibilities of a headmaster or principal at a school. It states that the headmaster is the most important leader at the school and acts as the central figure that oversees all administration, teaching, and activities. The document outlines the headmaster's responsibilities as shaping an academic vision, creating a supportive learning environment, developing leadership in other teachers, improving instruction, and managing resources to facilitate school improvement. It also lists qualities that an effective headmaster should possess such as being dedicated, fair, socially skilled, and able to cultivate leadership in others.