The length of the taught week in primary schools varies from 20 hours to 26, according to the national summary report published by Ofsted, but more than three quarters of them have lessons for between 23 and 24 hours.

BBC: 'Silent erosion' of school curriculum

The length of the taught week in primary schools varies from 20 hours to 26, according to the national summary report published separately by Ofsted, but more than three quarters of them have lessons for between 23 and 24 hours.

BBC: Timetable advice is long overdue