The debate, if you can call it that—“jibber jabber” might be a better term (thanks, Mr. T!)—over linking student achievement data to teacher and principal performance started on the wrong foot and seems to be…
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Data-driven does not mean value-added metrics (VAM).  And VAM is not the same thing as merit pay. The last few weeks have been an exciting time for K-12.  There’s all the media attention being showered…
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