A culture of low expectations in many schools has meant that bright pupils are being let down and are failing to gain top grades at GCSE, according to a new Ofsted report.
The report suggests that clever students become used to performing at a lower level because they are in classes where the work is pitched at middle-ranking students.
Chief inspector Sir Michael Wilshaw said it was "shocking" that, in some cases, school leaders and teachers did not even know who their most able children were.
More top news
The early exit will pile the pressure on England manager Roy Hodgson.
Article 50 has been mentioned a lot in recent days, but what actually is it and how does it work?
David Cameron will soon no longer be Conservative leader or prime minister. But who could replace him? We look at the potential contenders.