The British Council can’t follow Cambridge’s approach because we don’t teach students, and therefore we can’t provide predicted grades, or rank students based on their academic attainment.
Cambridge’s process requires that “Subject teachers should determine a predicted grade for each candidate in each syllabus based on the evidence they have gathered on candidates’ performance, weighing up what these different sources of evidence tell them about each candidate’s performance.”
To determine rankings, Cambridge’s process requires that centres “should now consider the group of candidates entered for a syllabus for whom you have predicted the same grade. Your centre should place these candidates in a rank order. A rank order is a list of candidates in order of their attainment, from the highest-attaining to the lowest-attaining. Do this separately for every grade at which you have predicted candidates will achieve, and for each syllabus in which you have entered candidates.”
Unfortunately, The British Council doesn’t have subject teachers who can determine predicted grades, or place candidates in rank order and therefore we’re unable to follow Cambridge’s approach.