Dylan Wiliam

Dylan Wiliam is a British educationalist who is now the Emeritus Professor of Educational Assessment at the UCL Institute of Education and lives in northern Florida.

Wiliam was educated at Whitchurch Grammar School in Cardiff and at Altrincham Grammar School for Boys in Greater Manchester. He studied at the University of Durham (BSc, 1976), the Open University (BA, 1983), the Polytechnic of the South Bank (MSc, 1985) and the University of London (PhD, 1993).

His research focus is the professional development of teachers. His 1998 book, Inside the Black Box, which he wrote with Paul Black, was a successful polemic about formative assessment, selling over 100,000 copies. He demonstrated his ideas in a 2010 BBC documentary series, The Classroom Experiment, in which a class at Hertswood School was encouraged to participate more widely in activities such as answering questions.

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