New Research on using Value-Added in teacher evaluation

Since Tennessee’s teacher evaluation system has recently changed to include test scores, members might find this interesting:

The Economic Policy Institute has recently published a study on using value-added scores in teacher evaluations:

Recognizing the technical and practical limitations of what test scores can accurately reflect, we conclude that changes in test scores should be used only as a modest part of a broader set of evidence about teacher practice.

If you don’t want to wade through all 29 pages, the Washington Post has a summary.