Thirty five years ago in southcentral Pennsylvania only the Superintendent of the School District was expected to have a Ph.D.---maybe the assistant.
Then that degree became and expectation for High School Principals.
Now it is trickling down to Middle Schools and elementary schools.
Enough already!
But which letters does not mean they as proficient than in the past.
Article worth reading: http://www.astorehouseofknowledge.info/w/Education_in_the_United_States