Nearly a quarter of the A* grades achieved this year went to pupils in the South East.
Statistics show that pupils in this region are gaining more than their share of the highest grades.
The South East has 19% of A-level entries, but accounts for 23% of A* grades given out, according to this year's A-level results.
London for example has 15% of entries but has achieved 17% of top grades, while the Eastern region has 12% of A-level entries and 13% of A*s awarded.
In contrast The South West was responsible for 10% of A-level A*s and 10% of entries.
Other parts of England had a smaller proportion of top grades compared to the number of entries.
More top news
Feeling colder with a biting, bitter windchill
A thoughtful teenager has taken Valentine's romance to a whole new level by buying 900 flowers and giving one to every girl in his school.
The group of Adelie penguins dwindled from 160,000 to 10,000 after an iceberg got stuck near their colony, scientists have found.