Stamford Queen Eleanor School says it is on track to boost its Ofsted rating after its pupils gained record GCSE results.
The school achieved its best ever marks this year, with 57 per cent of Year 11 pupils gaining five A* to C grades including English and maths, up from 43 per cent in 2012.
Attainment in maths was above the national average with 71 per cent of pupils achieving A* to C grades. In English 78 per cent of pupils gained A* to C grades.
And overall 75 per cent of Queen Eleanor pupils achieved C grades or above, up from 66 per cent last year.
Nationally the figure was 68.1 per cent, down from 69.4 per cent in 2012.
Headteacher Wendy Hamilton said: “These are by far the best set of results the school has ever had and reflect the huge commitment that pupils, staff and parents and carers have put in over the last two years.
“This year English and maths have all been marked more tightly and the science paper was set in a different style with harder questions.
“One of our limiting factors
has been that our maths results always lagged behind. This year our maths result is 23 per cent up on last year.”
The school was given a “requires improvement” rating after an Ofsted inspection earlier this year.
But Mrs Hamilton and chairman of governors Jonathan Selwyn said at the time they were confident results would improve. They said if Ofsted inspectors were to return in 2014 they would change their rating to good.
The school has come under fire for low attainment in recent years, with one group of parents going so far as to reveal plans for a free school to offer a “genuine alternative for pupils and parents seeking the very highest quality education”.
But Mrs Hamilton said the latest results reflected her conviction that improvement would come.
She said: “All the things that Ofsted identified from a results prospective, maths and science, have both increased considerably. The key subjects they said we needed to work on we have done.
“These results prove that we are the school that can meet all needs and that parents can be confident of the high quality education their child will receive when they join us.”