Efficacy matters. US has a cost disease. Also, in terms of GDP it's far from the highest. https://en.wikipedia.org/wiki/List_of_countries_by_spending_on_educat

Efficacy matters. US has a cost disease. Also, in terms of GDP it's far from the highest. https://en.wikipedia.org/wiki/List_of_countries_by_spending_on_education_(%25_of_GDP) https://en.wikipedia.org/wiki/List_of_countries_by_spending_...