The overhaul of the GCSE grading system will make it easier to spot the brightest students, Ofqual suggested.
Currently, in some subjects such as maths and science, high numbers of pupils achieve A* and A grades which makes it difficult to pick out the top students.
Chief regulator Glenys Stacey said that in these cases "you then begin to question whether the qualification is doing its job in differentiating sufficiently your most able students."
More top news
A farmer has welcomed a herd of alpacas to his farm this Christmas to protect his flock of 24,000 free-range turkeys from fox attacks.
Paloma Faith has praised the NHS after undergoing an emergency caesarean section during the birth of her first child.
As ITV News reports on the environmental impact of over packaging, we ask you to share your pictures of retailers' overzealous packing.