text: Betrayal of bright pupils : Two thirds who shine at age of 11 are steered into soft subjects at GCSE Just 33.9 % of teenagers from disadvantaged homes gained at least five Cs in their GCSEs last summer - including English and maths - compared with 58.2 % of all pupils attending state schools Yet again , selective schools dominate top of the tables Schools Minister Nick Gibb : ' Today 's figures reveal a shocking waste of talent in many schools across the country ' Read more : Two thirds of top achievers at 11 not taking key GCSEs | Mail Online