Concerns about the LA Times teacher ratings

On “L.A. Times analysis rates teachers’ effectiveness“:

A Times analysis, using data largely ignored by LAUSD, looks at which educators help students learn, and which hold them back.

I’m a huge fan of organizing, analyzing, and sharing data, but I have real concerns about figuring out the best means for conveying and acting upon those results. Not just data quality (what gets assessed, how scores are calculated and weighed), but contextualizing results (triangulation with qualitative data) and professional development (social comparison, ongoing support).

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