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Beanie's avatar

“In fact, by practicing selective retention, the district kept the teachers it wanted to keep and pushed out those who weren’t performing that well. This cycle produced “consistently large gains” for students in high-poverty schools.”

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Goodman Peter's avatar

So many assumptions, do plumbers or accountants continue to improve or plateau? Are measures of teacher effectiveness based on test scores? Are the tests “valid and reliable” measurement? Do teachers move from lower achieving to higher achieving schools? Does teacher effectiveness correlate with teacher collaboration? How does school leadership impact teacher retention and teacher effectiveness? Do teacher preparation programs impact teacher effectiveness? If so, why?

The list is endless,

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