So many assumptions about private schools that perpetuate the stereotype and make them seem more exclusive than they actually are.
Like lots of other Mnetters I am a teacher and not the millionaire city worker who is automatically associated with private school parents. I do not do my job to earn money to pay for private school fees. I do my job because I enjoy it. I do not have to sacrifices in terms of quality time with my kids to earn money which is again an assumption being made here. Like Pagwatch I do not choose private school because it will equip my kids to make stacks of money. If I thought my kids would come out valuing only or mainly making money I'd whip them out immediately. I chose the school partly because I have no local secular state alternative which is not also divided along ethnicity but also because it enables them to value and enjoy education and learning without being ashamed of this.
The stuff about the lack of benefits in private education here is incredibly naive at best. Most private schools boast unparalleled results and while, of course, this is because they select academically in the first place, it's also partly because of what they can expect of pupils and parents in terms of effort etc, class sizes etc, etc.
While there is an argument that well supported students will do well at any school (and I don't doubt that my kids would achieve good academic results at any state school because of my support) there are kids wwho wouldn't and there are also kids who need to get excellent rather than just good results to pursue their ambitions.
At my dcs' school there are a signficant number of black students and there is plenty of evidence that they would NOT achieve good results in state schools (because of peer influence, low expectations from teachers ....) but there are also a large number of students from immigrant backgrounds who want to be doctors and they know that they need to get straight As to achieve this. For these students (who are not from particularly wealthy backgrounds) a private education is likely to make an enormous difference to their prospects.