If intelligence is a mix between nature and nurture, why not support both? Good child care and good education... Smart people having more kids is not the full

If intelligence is a mix between nature and nurture, why not support both? Good child care and good education... Smart people having more kids is not the full solution, but it is a part of the solution, and a neglected one. People already talk about improving education a lot. But it seems that education can only go so far -- some children get better results unschooled than other children get in schools.