Ofqual: Remarking exams is 'tactical move' by schools
14 February 2014 Last updated at 14:31 GMT
The exams regulator for England (Ofqual) has accused schools of appealing against exam results to try to boost students' grades.
Ofqual's chief regulator, Glenys Stacey, believes teachers make the move because there is nothing to lose but an "awful lot to gain."
The proportion of appeals has more than doubled in the past five years from 1% to 2.3%.
Ms Stacey told BBC Radio 5 live's Breakfast: "It's a tactical move because there is a prospect... that a second examiner will come to a different conclusion and lift that mark above the boundary."