Theresa May told the House of Commons that "action was taken immediately" on a private letter to Michael Gove that was published on the Home Office website.
Theresa May had questioned the Home Secretary on why the letter had been allowed to remain on the site for three days before it was removed.
The leaking, from her department, of a letter to Michael Gove, raises serious questions for the Home Secretary to answer.
One school was praised by Ofsted for using money from the pupil premium to pay for a number of cultural trips to Saudi Arabia.
Six Birmingham schools will be rated 'inadequate' and several more downgraded. Council officials have been criticised for failing to act.