Swift & Change Able

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"We will also ask whether the data around student achievement is linked to teacher effectiveness. Believe it or not, several states including New York, Wisconsin, and California, have laws that create a firewall between students and teacher data. Think about that, laws that prohibit us from connecting children to the adults who teach them.

"To somehow suggest that we should not link student achievement and teacher effectiveness, it’s like suggesting we judge a sports team without looking at the box score.

"In California, they have 300,000 teachers. If you took the top 10 percent, they have 30,000 of the best teachers in the world. If you took the bottom 10 percent, they have 30,000 teachers that should probably find another profession, yet no one in California can tell you which teacher is in which category. Something is wrong with that picture."