Collection survey.
Since 1968, the federal government has been sending it to the nation’s schools to gauge educational access and enforce civil rights law.
Today, the U.S. Education Department released its 2013-2014 CRDC results, covering more than 95,000 schools and 50 million students.
There’s a lot to wade through, but these are some of the numbers that jumped out at us (links are to previous NPR coverage).