Another study by McKinsey in 2007 concluded that making teaching a high-status profession was what boosted standards.

ECONOMIST: Overhauling schools

Education Secretary Michael Gove said the proposals would "emphasise our commitment to boosting the status of the profession by toughening up the recruitment process and ensuring that all new teachers have a real depth of knowledge in their subject".

BBC: Literacy and numeracy tests toughened for new teachers