Who is "they"? Education theorists, bureaucrats, both?
Education theorists? Heck no! They are the ones who are most against such things.
Politians and their rich constiutiants, the right wing Christians, no doubt.
Antedotes don't make truth. The last study showed Public School students doing better in math than private school.
http://www.livescience.com/othernews/05041...hool_stats.html
I think when they look at Language Arts, Science, and History they will find the same is true.