The quality & morale of teachers is absolutely central to the well being of students and their learning.
Courageous leadership is not fearless leadership. What makes you a leader is how you deal with your fears.
Too often, shared visions really mean, "I have a vision; you share it!"
Professional trust is a process, not a state.
If we're all on the same page, no one's reading the whole book.
All teachers are already leaders. It's in the nature of teaching.