I recently received an e-mail from a reader who raised a question that haunts a lot of teachers and parents: Does testing harm kids?

Here’s the background: My correspondent wrote to say that his suburban school district is convening a committee on the achievement gap in its schools. The district, in a relatively wealthy suburb, is majority white, but with a significant African-American population — it’s the kind of place where middle-class people move for the schools. In general, the district is high-achieving, but it has some terrible achievement gaps.

To give you a sense of what I mean, 74 percent of fifth-grade students met state reading standards — sufficiently above the state average of 62 percent to permit a certain amount of satisfaction.

Read the full article on The Huffington Post Education.