We've had a situation crop up over here over the past few months which has caused the potential for students in one part of the country to have their work marked at a different level to students in another part (Wales and England respectively) because of a difference of opinion between Edexcel, an exam issuing and marking company, and Ofqual, the government regulator of examinations and assessments. The problem lies in that the exams in January were too leniently marked, thus in order that quotas for the year were not exceeded, the exams for June have to be marked more harshly.
The Welsh government has decided that the exams in question should be regraded so that their results would be higher than those in England.
http://www.bbc.co.uk/news/education-19556777
I feel sorry for the poor kids stuck in the middle of all this mess.