Schools that add the most value

The measure compares pupils' exam performances with the middle performance of other pupils nationally who had similar prior attainment.

It is based around 1000. The top 5% in 2005 had a score of 1057.9 and above.

The ranking needs treating with care. Official statisticians say small differences may not be significant and the significance varies with the number of pupils involved.

We have included information on the type of schools, and a column showing their GCSE-level (Level 2 threshold) results.

Smaller schools, with fewer than 30 students taking the exams, are not ranked.

Click on the name of any school to go to its individual page in the main tables.

Click here for a fuller explanation of the figures.