What are we using those tests for?

We've got a federal agenda right now pushing the use of standardized tests for all sorts of things. Here's a better look on the concerns around using them for teacher evaluation.

The lesson of the NRC-NAEd report is that even though value-added methodologies offer a number of advantages over other approaches that consider test-score data in a vacuum, policymakers need to move carefully in adopting any approach—value-added or otherwise—in making important decisions about individual teachers.