LA Times reporters respond to my questions on school ratings
Blog by Jay Mathews/Washington Post
I have been avidly following the Los Angeles Times publication of value-added data from elementary schools in the L.A. district. After Sunday's latest installment, I posted an appreciation of what they were doing, but expressed frustration with some gaps in the story, and what I considered at least slight misrepresentation of some of their data. I thought they had failed in particular to address the possible statistical distortions that arise when analyzing how well already high-performing schools do in raising student achievement higher than what those students have done previously.
The reporters, Jason Felch, Jason Song and Doug Smith, responded Tuesday. Here is what they sent me: (more…)