John Dewey has been dead for over 50 years.
Morgan compiles data on education that is applicable to here and now.
Dewey was about early 20th century education philosophy. Morgan is about education results in 2007.
Nothing against Dewey but he has nothing to do with evaluating performance in today's schools.
There is no justification for public schools other than training citizens. But, of course, the public has been squeezed out of its schools by people like union maffia for a long time. There are lots of ways of effectively teaching the three R's more effectively. I suppose you superceed the founders from constitutional law, too.