Similarly, this benefited private schools, as with smaller class sizes and better funding, students typically get higher results – potentially pushing up grades under the algorithm.
The grading process was met with widespread criticism, and students took to the streets in central London on Sunday to demand change.
Pressure mounted on Education Secretary Gavin Williamson after he backed the marking scheme as “robust” despite anger from all sides.
Speaking on Monday night, Mr Williamson apologised for the “distress” caused and announced a huge U-turn to grading A-levels and GCSEs, the latter of which are due to be released on Thursday, August 20.