The efforts by the Obama administration to promote changes in the way teachers are evaluated have paid off in some ways but backfired in others.

Marty West talks about teacher evaluation reform with Chad Aldeman, who worked as a policy adviser at the U.S. Department of Education on ESEA waivers, teacher preparation, and the Teacher Incentive Fund.

He is the author of, "The Teacher Evaluation Revamp, In Hindsight," available here: http://educationnext.org/the-teacher-evaluation-revamp-in-hindsight-obama-administration-reform