Since 2000, the PISA test implemented by OECD has become the prime benchmark for international comparisons in education. The 2015 PISA edition introduced methodological changes that altered the nature of its results. PISA made no longer valid non-reached items of the final part of the test, assuming that those unanswered questions were more a…

In the last four years McKinsey and Company have produced two highly influential reports on how to improve school systems. The first McKinsey report "How the world's best-performing school systems come out on top" has since its publication in 2007 been used to justify change in educational policy and practice in England and many other…

Education reform is increasingly portrayed as a quest to achieve a "world class" education system through a process of identifying and adopting the practices of those systems whose pupils perform best in league tables of achievement. This is the rationale for the range of new policies proposed by the coalition government in the schools…