Feyisa Demie is an honorary professor at Durham University School of Education and is the head of research and adviser for school self-evaluation at Lambeth local education authority. He has worked extensively with local authorities, government departments, schools and school governors for more than 27 years in the use of data and research to raise achievement. As an education adviser he works with schools covering all phases of assessment, from foundation stage, KS1, KS2 to GCSE. He also runs school-focused training programmes and annual national school improvement conferences at the UCL Institute of Education to support school self-evaluation for headteachers, teachers, governors and policymakers. With longstanding research interests on what works in raising achievement in schools and equity issues in education, he has written a number of books, research reports and peer-reviewed articles on school improvement, ethnicity, English as an additional language, school exclusions, disadvantaged students and diversity in the teaching workforce.