Speaking as the most recent table of failing schools was released in January, he said: "The one thing we won't tolerate is excuses. That attitude is failing pupils and letting communities down. If there is no local change, we will require local change." Three of the failing schools in London were academies which had been open for at least five years when pupils sat their GCSEs last summer. Mr Balls hinted that privately-run academies would also face takeover if they fail in their mission to improve results.