There is little worse than finding out someone disagreed with you and decided to make it known to your superior. This seems to happen all too often and is a real trust-killer.
Always redirect a subordinate who comes to you to complain about someone if he hasn’t already addressed the complaint with the individual. This is a simple rule by which to lead, but one that will establish strong and trusting relationships with those whom you lead.
One of the Harvard Business Review’s “Management Tips of the Day” is to make it clear who employees report to (even if it’s more than one person), by whose metrics they’ll be evaluated, and whose opinion matters to their work. It can’t hurt to review the formal leadership chart with teachers, administrators, and non-certificated staff.