At the other end of the continuum, we now know that students who do well in school often have advantages that other students lack, such as parents or older siblings who value education, who help them with their homework and teach them ahead of time what they’ll encounter in class. That is, school becomes a place where privileged students can show off what they already learned at home. Does that mean they have more intelligence? Or does it mean they’ve been exposed to more knowledge? Those may not be the same thing at all.
