This document discusses school culture and climate. It begins by defining culture as the norms, beliefs, values and rituals that make up the persona of a school, while climate refers to the current perceptions and emotions within the school. The principal is identified as the key leader who shapes the culture through various actions like planning, modeling behavior, and recognizing staff. Healthy cultures are described as having collaboration, shared vision, and a focus on student learning. Toxic cultures have negative patterns that deplete staff. The importance of assessing a school's culture to facilitate positive change is also emphasized.