A private school accidently inflated its A-level results when it submitted incorrect data.
Highgate School, in North Road, failed to report its C grades when submitting data to the Independent Schools Commission, boosting its apparent results.
As a result, incorrect results subsequently appeared on the Daily Telegraph's results league table, ranking the Highgate school above competitors.
The incorrect results initially sent to the Ham&High were 47% of all grades at A* and 83% at A* or A.
The Telegraph reported the accurate results for 2023 were that 46.5% achieved an A*, 82.8% A* or A, and 94% A* to B.
A spokesperson said: "While we published our A-level results on our website correctly, an inadvertent error was made when submitting them to the ISC.
"No pupils' grades were affected, but the incorrect data was subsequently included in the Daily Telegraph’s league table.
"Once we realised the error, we immediately informed the ISC and the Daily Telegraph and the league table has now been updated accordingly."
The school has apologised to the paper, saying: "In submitting our results to ISC we missed out the C grades (human error from a devastated colleague) which has inflated our A*/A percentage and incorrectly placed us ahead of other schools."
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