So she asked her three brightest students secretly to teach her after school how to use computers. Then she could teach the students how to use computers. The wisdom of experience is relevant, but relevant in a different way. That teacher, like many managers, learned that she still had authority, but authority that had to be exercised in a collegial way. Leadership is exercised in a network by implementing a vision, not by dominating and controlling.
Power is exercised in a network by participating and contributing.
That teacher knew, at least, how to get out of the way, but that didn't make her a coach. She needed to learn how to be present but not controlling, available but not directive. Naturally the fact of computer technology has been threatening to many schools. Some responded to the challenge by taking away all the computers and locking them up in a room. Imagine being a teacher when pencils were invented.