It's time for the US to widen its circle of learning, not to circle its wagons against hostile ideas in education reform.

A successful school has to engage all the people, all the powers, and all the capacities within it.

We learn more from people who are different from us than ones who are the same.

Students become good learners when they are in the classes of teachers who are good learners.

There is no algorithm for creativity.

One or two bad teachers is a problem with the teachers. A school with many bad teachers is a problem of leadership.

In high performing countries, principals are working with highly qualified teachers who come from the top tiers of the graduation range, who have been rigorously prepared in universities and through supervised practice in schools, and who remain in education for all of their careers.