Bold Seagull
strong and stable with me, or...
Is is a fact? Or a perception?
Free school meals are a statement of relative wealth, rather than academic achievement, although I do acknowledge that the former is often linked with the (lack of) the latter.
Basing an educational establishment purely on results has little value, except maybe to parents who only wish for their children to attain high-achieving results.
It is available from the government office for Social and General Statistics. It is interesting reading.