The report was prompted by a complaint from the British Humanist Association, which argues more widely that faith-based schools too often select pupils from overly advantaged backgrounds.
Finally, there is some bias in our sample of the ALSPAC cohort as children from very advantaged and very disadvantaged backgrounds are under-represented.
"But the risk is that others from less advantaged backgrounds, who are still very good, are being put off from applying.
Krueger speculates that these very top academic institutions offer kids from less advantaged backgrounds a key into a world of professional contacts that they would not have had otherwise.
In the long term that advantages established institutions and students from advantaged backgrounds".
"People from more advantaged backgrounds," the report found, "had significantly higher levels of extroversion and very substantially higher economic aspirations".
Most, though not all, are from socially advantaged backgrounds.
But they are less likely to be "distressed" than teens from relatively advantaged backgrounds.
But this tends to benefit children whose dads come from more advantaged backgrounds.
He was shocked to learn how few came from less advantaged backgrounds at that time.
