This is where education becomes a poverty issue- if you're poor, you're often not well-incentivized to make sure you kid goes to school. He can do work, or she

This is where education becomes a poverty issue- if you're poor, you're often not well-incentivized to make sure you kid goes to school. He can do work, or she can be married off, or a dozen other opportunities. School is seen as an investment with heavily, heavily diminishing returns. Imagine trying to explain to a person that can't read, and who has gotten by fine, why his child needs to read. "So he can be rich?" "But ah, I have my farm and he will work on that farm etc etc etc"