How did they deal with this problem in other countries, say Ireland or Japan?
It looks to me like Ireland was planning on using literally the exact same process, but after it caused such a political problem for the UK government they announced that data on how schools had previously performed wouldn't be used in the standardisation process: https://www.citizensinformation.ie/en/education/state_examin... (Notice how the linked explaination document from May 2020 says this would be the basis for…
1. took a GREAT deal of pleasure in loudly trashing the Scottish government in the press ...
2. knew they faced the EXACT same issue themselves ...
3. did absolutely nothing about it ...
4. then did a frantic cleanup of the attacks (deleting tweets and such) after the English debacle unfolded
At this point I shouldn’t be surprised. It’s to be expected - they’re politicians playing their little game. But this debacle was avoidable - they could have faced the music earlier and started coming up with an alternative, but they chose instead to gloat, score a cheap win and kick the metaphorical can down the road.