Is there a Direct Correlation between Wealth and Education?

Goal 2: By 2015 Boys&Girls will be able to complete a full course of Primary Education

Question to Consider: Look at the correlation between the two indicators, what kind of correlation is it mostly (direct or inverse, or none)? What does this tell us? If you were working in the UN, based on this evidence, would you continue to improve universal primary education to improve or end poverty?