If one foot is in a bucket of steam, and the other is in a bucket of ice, you are not, on average, comfortable.

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.

We need standards with flexibility, not standardization with force if we are to get the best from our teachers.

Although everyone wants to change the teacher, it's time for the agents of educational reform to change themselves.

In Finland, within very broad government guidelines, teachers create their own curricula together across schools in every community and district. They don't confine collaboration to their own individual schools and to just implementing other people's ideas.

If we're all on the same page, no one's reading the whole book.