A political impossibility, apparently. A Guardian article
‘We wanted a fundamental change in the relationship with the school and the established religion of the country,’ said Kelley, talking about the proposals he put forward towards the end of Tony Blair’s premiership. ‘They accepted it would be popular but said it was politically impossible.’
One senior figure at the then Department for Education and Skills, told Kelley that bishops in the House of Lords and ministers would block the plans. Religion, they added, was ‘technically embedded’ in many aspects of education.