Two Worksop schools which were once rated as the worst in the country are now in the top ten.
Five years ago education watchdog Ofsted put Portland Comprehensive School into special measures and Valley Comprehensive was given a notice to improve.
Now, under the Outwood Grange Academies Trust, the renamed Outwood Academy Portland and Outwood Academy Valley are outperforming thousands of schools.
Current tables show Portland in 10th place in the country for progress out of a total of 6,382 schools, as well being the top school in Nottinghamshire for attainment. Valley is placed third in the county for progress and attainment.
A spokesman for Outwood Grange Academies Trust said: “The transformation may have been quick, but it was not easy. During the transition from special measures to outstanding, many parents were still very negative, being unsupportive and even trying to encourage their children to rebel against the academy and the staff, but tenacity and an unstinting wish to ensure every student became the best they could be, shone through and now Worksop students believe in themselves.”
In August both schools celebrated a record year for GCSE results, with 84 per cent of pupils achieving A*-C grades at Valley and 88 per cent at Portland.
Principal Dr Philip Smith said: “Both academies have smash their previous records to achieve their best ever results- we could not be prouder.”