School leavers are receiving their A-level results in a year when young people had their education disrupted by the concrete crisis.
Hundreds of thousands of students in England, Wales and Northern Ireland are receiving grades to help them progress on to university, an apprenticeship or employment.
The proportion of A-level entries awarded top grades is up on last year and remains above pre-pandemic levels, national figures show.
More than a quarter (27.8%) of UK entries were awarded an A or A* grade, up by 0.6 percentage points on last year when 27.2% achieved the top grades.
This was also higher than in 2019 - the last year that summer exams were taken before the pandemic - when 25.4% of entries were awarded A or A* grades.
Just days before the academic year was due to start last year, a number of schools were forced to offer remote learning when reinforced autoclaved aerated concrete (Raac) was found in buildings.
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