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By Anya Kamenetz

There are few household names in education research. Maybe that in itself constitutes a problem. But if there was an Education Researcher Hall Of Fame, one member would be a silver-haired, plainspoken Kiwi named John Hattie.

Hattie directs the Melbourne Education Research Institute at the University of Melbourne, Australia. He also directs something called the Science of Learning Research Centre, which works with over 7,000 schools worldwide.

Over the past 28 years he has published a dozen books, mostly on a theory he calls Visible Learning. His life’s work boils down to one proposition: To improve schools, draw on the best evidence available.

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