Not done Sir, but doing.

Plenty is doing.

"This study has suggested that less attention may well be given in the future to social class per se with regard to school performance. It is a crude variable of limited direct importance in the problem of school achievement."

G.W.MILLER, 1970, Journal of Educational Psychology 61.

Disclaimer: this quote appears here only to spark discussion. It is not endorsed one way or the other. Make up your own mind. Or just refresh the page for another viewpoint. From a collection assembled by the late Chris Brand.