This is Simpson's Paradox[0]--Iowa comes out on top because it has more white students, and white students in Iowa do better than non-white students in Texas.

This is Simpson's Paradox[0]--Iowa comes out on top because it has more white students, and white students in Iowa do better than non-white students in Texas. [0] https://en.wikipedia.org/wiki/Simpson%27s_paradox https://en.wikipedia.org/wiki/Simpson%27s_paradox