A record-breaking number of A-level entries for England, Wales and Northern Ireland have been awarded A grades.
More than one in four entries - 26.7% - got the top grade, up from 25.9% last year and the overall pass rate rose to 97.5%, up 0.3 percentage points.
The improvement in grades - for the 27th year in a row - will add to the pressure on university places.
There are there are 60,000 more applicants for university places in the UK than this time last year.
That is a 10% rise on last year.