Grade A and B passes at Prince William School have risen from 41 per cent in 2010 to 46.8 per cent in 2012.
A total of 23 A*s were awarded in a range of subjects, with students performing particularly well in fine art, mathematics, english and chemistry.
Individually, most of the students met their targets for their chosen universities or colleges.
It means sixth form students have raised the bar for individual and school achievement each year for the past three years now.
Jennifer Purdy with three A*s is expecting to study mathematics at Durham University and Leilani Barratt with two A*s and a B will study music at Holloway.
Other successes include Imogen Chappelow with one A* and two As, Andrew Wade and Joe Taylor with two A*s and one A, and Oliver Herbage with two A*s and two As.
Rachel O’Connor, head of sixth form, said: “It is pleasing to see the hard work of the students, good quality teaching across the school together with positive mentoring and support by the sixth form team bring about such successful results.
“2011-2012 has been a positive and full year for the students at Prince William School in all aspects: study, performing arts, sports and community service.
“The head and I wish all of our students success in their future study or career paths.”