WASHINGTON
More U.S. residents than ever have high school and college diplomas, although rates still vary greatly by race and ethnicity, the Census Bureau says.
Among those 25 and older last year, 84.6 percent had graduated from high school, up from 84.1 percent the previous year, according to bureau estimates.
The share of people with at least a bachelor's degree from college also inched up, from 26.7 percent to 27.2 percent, continuing a decades-long rise.
State breakdowns showed that Mississippi ranked near the bottom in both measures of educational attainment.
High school graduates made up 81.2 percent of Mississippi's over-25 …