The College Board announced Wednesday that it is overhauling the SAT, dropping the timed essay and focusing less on fancy vocabulary in order to level the playing field a bit for high school students from a wider range of families. The organization's own data show that wealthier Americans, from more educated families, tend to do far better on the best. As do white and Asian Americans, and those students who had the opportunity to take the PSAT in high school before taking the SAT. Almost certainly, these four findings have common origins in that the SAT benefits families who can...