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View Diary: Esquire writes about Michelle Rhee and the empire she built. (19 comments)

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  •  I can see a justification for using tests (1+ / 0-)
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    to determine whether an individual student has learned or mastered material. The test has to be a good one (which rules out most standardized tests), of course. Also, there are great differences in test-taking skills. But someone who aces an algebra test probably knows more algebra than someone who flunks the test.

    However, grading individual teachers based on their students' test scores isn't justifiable. There is too much variability in the student population to know whether a 85% pass rate is significantly different from a 95% pass rate in a class of twenty students.

    I would love to see a someone like Nate Silver take on Rhee's bullshit. Grading teachers is like grading baseball players- imagine deciding whether to trade a hitter based on 20 at bats.

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