[Aevery_Freeman]

Having been a teacher (for a while until I wised up), the answer is many if not most.

Virtually every high or middle school principal is now referred to as 'DOOOCTOR' as holding the degree is vital to being hired.

Now, if there were just a curriculum attached to the degree...

[Jacquerie]

Unlike hard science/engineering Phds, no group demands phony respect like the education crowd who criminally screw up young minds.