Majority of headteachers believe Ofsted school grading system is 'unreliable'The majority of headteachers believe the Ofsted school grading system is "unreliable", according to a survey carried out by a teaching union.
Source: Majority of headteachers believe Ofsted school grading system is 'unreliable' (https://news.sky.com/story/ofsted-majority-of-headteachers-believe-school-grading-system-is-unreliable-13014010)