It consists of five courses that help teachers improve their professional knowledge, classroom practice, and leadership skills.

Now, each principal is required to spend two hours a day in classrooms helping teachers improve their work.

The overriding idea behind professional development is that increased knowledge helps teachers improve student achievement.

Professional development courses help teachers improve their skills and, ideally, rise among the ranks.

This could notch up the performance level a little bit and get teachers to improve.

The curriculum must become far more rigorous across the board, and that can happen only if teachers improve.

In many cases, they work because teachers improve or leave the profession.

Gove said that with the "right support", many teachers could improve their performance.

How many teachers who are fired early on for poor student achievement would improve given the chance?

This program is focused on helping teachers improve performance by learning from others.