American schools are more segregated by race and class today than they were on the day Martin Luther King, Jr. was killed, 43 years ago. The average white child in America attends a school that is 77 percent white, and where just 32 percent of the student body lives in poverty. The average black child attends a school that is 59 percent poor but only 29 percent white. The typical Latino kid is similarly segregated; his school is 57 percent poor and 27 percent white.
Overall, a third of all black and Latino children sit every day in classrooms that are 90 to 100 percent black and Latino.
Addendum: Here is from Matt Yglesias, another contender for U.S. fact of the day:
If the country as a whole had the same average population density as New Hampshire (!) it would contain about 522 million people…