But the existence of high-cost private schools that, ostensibly, only the well-off can afford, already reinforces a "caste system" of sorts, no? I'm not sure ho

But the existence of high-cost private schools that, ostensibly, only the well-off can afford, already reinforces a "caste system" of sorts, no? I'm not sure how adding another dimension to this, namely social credit, could make it worse.