Pair up highest performing teacher, with the lowest performing teacher. Second highest performer with second lowest, and so on. (Like a sports tournament bracket); change annually.
Reward given for highest performance--by team.
Reward given to everyone if meet overall improvement goal.
Encourages high performers to rapidly share methods and insights with the lowest performers. Inspire the low performers.
Website for knowledge sharing. Improvements posted for other teachers' consideration. Weekly, a team presents their best finding they have had. Do a couple 5 min informal presentations per week, short discussion, rotate.
Similar two-member teams for nutrition, pairing up cafeteria management between nearby schools. Bonuses go to TEAMS. Use BMI/fitness test to score.
FIX THE GAP