District teachers will be evaluated on their individual effectiveness and their school's overall success in improving student performance under an assessment system to be unveiled this fall, Schools Chancellor Michelle A. Rhee said yesterday.
In her most detailed public comments to date on planned changes to the evaluation system, Rhee said at a D.C. Council hearing that the approach would combine standardized test scores where practical, intensive classroom observation and "value added" measurements of students' growth during the year.
Teachers would also be allowed to set buildingwide goals for achievement that would be used in evaluating their performance.
Rhee said the Professional Performance Evaluation Program, which the District has used in recent years, is inadequate and does not reflect a teacher's worth or how much he or she has helped students grow. She said the federal No Child Left Behind law, as written, is too narrowly focused on test results and not student progress from year to year.
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