The Common Curriculum can easily become the karaoke curriculum, where everyone just follows the bouncing ball of the script.

Physically, teachers are often alone in their own classrooms with no other adults for company. Psychologically, they never are.

Improvement is about doing something better; innovation is about doing something new.

We must use collegiality not to level people down but to bring together their strength and creativity.

Schools often get the teachers they deserve!

The economists who have put the spotlight on teacher quality are the ones who most misunderstand it.

Strong professional communities risk and sometimes relish conflict.