Why teacher ratings don’t tell much. – M. Kolodner

Kolodner, Meredith. (2012, February 23). “Why teacher ratings don’t tell much.” Inside Schools.  Retrieved from: http://insideschools.org/blog/item/1000262-why-teacher-ratings-dont-tell-much

The author explains why the complicated formula used to rank teachers in NYC is full of inaccuracies and should not be trusted.

  1. The ratings are based on exams that state officials have said are invalid.
  2. Test scores alone don’t tell you how effective a teacher is.
  3. The margin of error on the ratings is huge.
  4. Teachers of children performing well on the exams could be rated poorly.
  5. The ratings are not stable from year to year.

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President - Dublin Educators' Association

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