> If "free dental, medical, and mental health services" were all it took, then no school in Scandinavia should have any problem with poor kids. But we do have problems because some parents don't care at all about their kids education.

It is probably true that those aren't sufficient, but things like getting enough to eat and not having serious, untreated dental or medical problems are basic prerequisites to a good education that aren't met for a lot of American children.