Mill Hill School in Ripley is ‘rapidly improving’ according to government inspectors.
A total of 38 lessons were observed by Ofsted as part of an inspection of the school throughout October.
Overall the school was graded as ‘satisfactory’.
Inspectors said Mill Hill had clear direction and good leadership and that the behaviour of pupils was good.
The report stated: “There is a good track record of improvements and the school has a good capacity to sustain current levels of performance and improve further.”
Inspector Davinder Dosanjh said in a letter to students that the school was “satisfactory and rapidly improving.”
She said the headteacher and staff had worked hard to bring about many improvements.
Headteacher Sarah Graham said she was pleased with the report, saying: “Mill Hill, working together with parents and students, has achieved great things since the last inspection.”
This year the school attained its best ever GCSE grades with a 93 per cent A* to C pass rate.