It's because you left!
oh aren't you just the funniest pile of feathers on this site.
I think you'll find that it was the GCSE marks of MY YEAR that made my old school the 4th best and if I do say so myself I did pretty well with my GCSEs.
hmph. i apologise if i offend you i'm feeling grouchy and tired rn.I had ringlets when I was little.