Was about to post the same point. As an example, a notation change of this kind was done recently for England's GCSE qualifications. https://en.wikipedia.org/w

Was about to post the same point. As an example, a notation change of this kind was done recently for England's GCSE qualifications. https://en.wikipedia.org/wiki/GCSE#Grades_and_tiering https://en.wikipedia.org/wiki/GCSE#Grades_and_tiering