Charter Academy, which is part of the ARK Schools network, is celebrating an excellent year of GCSE results.
The most recent league tables rank it as the best state school in Portsmouth as well as the most improved. It is also the second most improved school in the whole country for GCSE results.
The school has seen a 47 percentage point rise in students getting five good GCSEs, including English and maths, since becoming an ARK school in 2009, making it now the best school in the city.
Charter Academy is also the best school in Portsmouth based on the amount of progress that pupils make.
More top news
A crack inside the glass pod of the i360 in Brighton has been fixed. The owners say there was no risk to safety and blame vandalism.
Thousands of students in the South have received their GCSE results. Grades are down in the South, as they are across the whole country.
Another warm day with a little more cloud and the chance of a few showers.