Children smile from window of a school bus in Springfield, Mass., as court-ordered busing brought Black children and white children together in elementary grades without incident, Sept. 16, 1974. Friday, May 17, 2024, marks 70 years since the U.S. Supreme Court ruled that separating children in schools by race was unconstitutional. On paper, Brown v. Board of Education still stands. In reality, school integration is all but gone, the victim of a gradual series of court cases that slowly eroded it, leaving little behind. (AP Photo/Peter Bregg, File)