I have a lot of thoughts on this. Having worked in tertiary, one thing you notice is at entry level, it's easy to tell what kind of school a student went to, and this seemed to be pretty closely correlated with decile. And this isn't just in their skillsets it's also in their expectations and level of entitlement.

Having used education to lift myself out of poverty when I was young, the only reason I was able to do that was ironically just as much of an accident of birth as my being poor in the first place. If I'd only been an average student, none of the opportunities I took would have been available to me.

Having been plunged back into poverty, I think people don't really factor in the huge underlying structural issues which entrench it.