HAYFIELD School stormed to the top of Doncaster's secondary school league tables - with a major improvement on its results last summer.
The school, in Auckley, saw its benchmark figure - the percentage of passes at grades A* to C, including English and maths - soar by 26 percentage points.
Click here to download the GCSE tables.
Last year the figure was 52 per cent, placing in joint fifth with Hall Cross in the borough.
But this year, it had surged up to 78 per cent, the best score in Doncaster, in the tables published today.
It is one of 13 state schools with better scores than the previous year.
The tables paint a picture of improving figures overall, with only Danum School in Intake, and Campsmount School in Norton, performing worse than last year, each dropping by a single percentage point.
For Campsmount, its pupils faced disruption to their study because of a fire at the school which destroyed much of the building.
Head teacher at table-topping Hayfield, Dr Sai Patel, was delighted by the performance of his pupils.
He said: "This is a tremendous set of results for the school and we are delighted for our students.
"These are our best-ever results and they would not have been possible without the commitment and dedication of our staff, and of course the support of parents and governors.
"Over the last few years we have gone through a period of significant change, during which time we have refined our practice, and this achievement proves that all of the hard work by both students and staff, is now starting to pay dividends."
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