OTOH, even that would still probably disproportionately benefit those with the best home environments and support to make use of the more efficient system, and increase rather than narrow the gap between the best and worst served. Efficiency and equality are largely orthogonal concerns.
The purpose of the current design for primary and secondary education is to produce a general foundation atop which any sort of tertiary education can be built.
> The purpose of the current design for primary and secondary education is to produce a general foundation atop which any sort of tertiary education can be built.
Yeah, it's not very good at that.
The model of turning a literate child loose in a library and letting them be for six or eight years should not be assumed as universally useful.