Here is a critical point from the draft 2015-16 State of the Teaching Profession Report.

Additionally, analysis of the effectiveness of teachers who no longer remain employed in NC public schools shows that departing teachers are, on average, less effective than their counterparts who choose to remain employed in NC public schools. (p. 25)

This is one of the positive, yet rarely acknowledged, aspects of turnover.

Screen Shot 2016-10-26 at 11.09.10 AM