Earlier this summer the Government announced a national register of Britain's brightest pupils. Each secondary school will be asked to register its top 5% of students - who will then be tracked throughout their education, and encouraged to apply to the elite universities.
So, will this register give children from poorer backgrounds a chance to reach their full potential? Or, is it selection by stealth - with children being labelled as failures at the age of 11?
Martha talks to Ken Sloan from the National Academy of Gifted and Talented Youth and to Bethan Marshall, Senior Lecturer in Education at King’s College, London.