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.

A brainscan cannot interpret itself and neither can a data dashboard in education.

We will not achieve high performance in education if we replace teachers with machines or turn teachers into machines.

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

Strong professional communities risk and sometimes relish conflict.

Teaching is an emotional practice: it activates, colors & expresses people's feelings.

Teaching is a passionate profession.