British Prime Minister Boris Johnson’s government was confronting new analysis on Thursday over its treatment of reviewing for school exams after outcomes for a huge number of students were pulled.

Education Secretary Gavin Williamson has been blamed for directing a disaster over how grades have been granted to teenagers who couldn’t take their exams in light of the COVID-19 pandemic.

Test board Pearson reported late on Wednesday that it would recalculate grades for BTECs, expert work-related qualifications, only hours before students were expected to get their outcomes.

Its decision came days after the administration bowed to pressure from irate students, teachers and lawmakers and ditched a algorithm that had downsized A-level results for almost 40% of school leavers a week ago, with those in distraught territories all the more adversely influenced.

Students were told on Monday they would now be granted the grade that their teachers had anticipated for them dependent on past performance, and that procedure is additionally being embraced for more youthful students accepting their GCSE results on Thursday.

In any case, Pearson said that change implied it was currently changing its BTEC grades.

“We have become concerned about unfairness, including consistency with the approaches now being used for GCSE and A Levels,” it said in a statement.

Williamson has been blamed for ignoring admonitions that the grading system would prompt unfair results and both he and Johnson have been satirized by the media for their handling of the issue.

“Every step of this way there are problems you have to encounter and deal with, and we are dealing with them swiftly,” schools minister Nick Gibb told BBC television. “We’re working, as I said, night and day to get these issues right.”

He repeated Williamson’s apology for the uncertainty and confusion caused.

“Gavin Williamson was warned again and again about the problems with the grading algorithm, and each time, he did nothing,” said Kate Green, the opposition Labour Party’s education spokeswoman. “This endless pattern of incompetence is no way to run a country.”