The Answer Sheet: d.c. and impact
Is D.C.'s teacher evaluation system rigged?
A professor writes about teacher evaluation systems: "The pendulum has simply swung from one end of absurdity to the other; if many systems have historically rated 99 percent of teachers 'satisfactory,' ... we now have in D.C. a system that declares exactly 50 percent of teachers ineffective or minimally effective."
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06:00 AM ET, 11/01/2010 |
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