This is a growingly popular concept in the United States, and one I happen to agree
with. There
seems to be far more evidence for its worth than, for example, for the value of class sizes of 20 as
opposed to 25. But, Dr. Fullan really doesn't cite any of the evidence for this, and he most
definitely doesn't even give a nod toward the economic challenges (and tax burdens!) associated
with an effort, especially in large systems to reach the size ranges he recommends: