Previously, Ofsted awarded one of four headline grades to schools it inspects: outstanding, good, requires improvement and inadequate.The announcement follows engagement with the sector and family of headteacher Ruth Perry, after a coroner's inquest found the Ofsted inspection process had contributed to her death.

Previously, Ofsted awarded one of four headline grades to schools it inspects: outstanding, good, requires improvement and inadequate.The announcement follows engagement with the sector and family of headteacher Ruth Perry, after a coroner's inquest found the Ofsted inspection process had contributed to her death.