Defining Teacher Leadership Teachers encompass a professional community within a school. Through teacher leadership, various connections are made among teachers, administrators, students, families, and community. This allows for an aligned school mission, vision, and the sharing of effective practices. Use these prompts to guide an original response. Give the definition of a teacher leader. In your explanation, describe why teacher leadership is important. How does the role of teacher leaders connect to the mission and vision of a learning organization? Describe a situation where you provided mentoring leadership to at least one colleague. What were the outcomes for the colleague and for you as a leader?