The Washington Post, January 8, 2013
Even as most of the nation’s 15,000 public school districts roll out new systems to evaluate teachers, many are still struggling with a central question: What’s the best way to identify an effective educator?
After a three-year, $45 million research project, the Bill and Melinda Gates Foundation believes it has some answers.
The most reliable way to evaluate teachers is to use a three-pronged approach built on student test scores, classroom observations by multiple reviewers and teacher evaluations from students themselves, the foundation found...
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