In 'Flipped' Classrooms, a Method for Mastery

Tina Rosenberg, writing for the New York Times:

But a handful of innovative teachers are venturing further, using the flipped classroom to employ mastery learning — “flipped mastery,” as Bergmann and his fellow chemistry teacher Aaron Sams call it in their book, “Flip Your Classroom: Reach Every Student in Every Class Every Day.” Since the flipped classroom eliminates the whole-class lecture, they’ve realized, it has also eliminated the reason for students to work at a uniform pace.

Yes, yes, yes.