Leaders of the Conservative, Labour and Liberal Democrat groups in the Local Government Association have combined to oppose plans to force all English schools to become academies.
In a joint letter to the Observer, they urge ministers to reconsider the plans.
The LGA says the plan to remove all schools from council control has caused "enormous concern" .
But, on Saturday, Education Secretary Nicky Morgan insisted there was "no reverse gear" on the changes.
Speaking at the NASUWT teacher union conference in Birmingham, Ms Morgan said…