Arne Duncan spent seven years as U.S. Secretary of Education, imposing bad ideas every year of his tenure.

Now, having been in charge for longer than almost anyone (except Richard Riley, Clinton’s Secretary of Education), Duncan is smearing U.S. education wherever he goes, all to promote his new book.

Nowhere does he admit that everything he did was a failure.

Evaluating teachers by test scores was a massive failure. States used teacher evaluation as an excuse to level fund their schools, leading to a national teacher shortage and massive disinvestment.

Common Core was a massive failure.

Arne’s school turnaround program was a massive failure.

Most states have dropped out of the federal testing consortia, in which Arne invested $360 million.

Expanding school choice set the basis for Betsy DeVos’ privatization agenda.

Read the full post on Diane Ravitch’s blog.