[vkou]

And what institutions are responsible for spending half of the waking hours of a child teaching culture?

[twofornone]

Parents and peers/communities. If the US is any indication, teachers are incapable of instilling appreciation for learning once scholastic achievement is branded "uncool".

[vkou]

You underestimate the impact that schooling has on culture. As a school-age child, you spend more time being socialized and educated by your teachers, than by your parents.