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Wednesday, December 25, 2013

Mike Klonsky's SmallTalk Blog: Still cleaning up Rhee's Value-Added mess in D.C.

Mike Klonsky's SmallTalk Blog: Still cleaning up Rhee's Value-Added mess in D.C.:

Still cleaning up Rhee's Value-Added mess in D.C.

Seattle teachers protest Rhee-forms.
They're still cleaning up the debris from Michelle Rhee's signature reform in D.C.. Her top-down imposed Value-Added IMPACT system of teacher evaluation has long caused havoc in the system here and elsewhere. Remember, it's also a central piece of Arne Duncan's Race To The Top.

The teachers union should have never agreed to IMPACT and evals based on student test scores.  The formula for tying every student's test score bump or dip directly to an individual teacher is so complicated and inherently error-ridden that it's bound to confuse parents and negatively affect teachers and students.

Monday's Washington Post reports that faulty calculations of the “value” that D.C. teachers added to student achievement in the last school year resulted in erroneous performance evaluations for 44 teachers, including one who was fired because of a low rating. School officials described the errors as the most significant since the system launched a controversial initiative in 2009 to evaluate teachers in part on student test scores.
Half of the evaluations for the 44 teachers were too high and half too low, said