Strong professional communities risk and sometimes relish conflict.
Physically, teachers are often alone in their own classrooms with no other adults for company. Psychologically, they never are.
Change is easy to propose, hard to implement, and especially hard to sustain.
Deadwood did not kill itself!
Teachers are always emotional: by default if they bore us, and by design when they excite us.
Courageous leadership is not fearless leadership. What makes you a leader is how you deal with your fears.