Back in those days, whites were largely opposed to busing. And there was not consensus in the black community that busing was beneficial.
Busing failed because people voted with their feet. Significant numbers of whites either moved out of the school districts which had busing, or put their children in private schools. The end result was that there weren’t enough white students left in some schools to produce meaningful integration.
They’re still “busing” here in San Diego, Dilbert!
Mission Bay High School gets bus loads from Logan Heights everyday. We’re told that without those busloads, Mission Bay would have to close, because we don’t have the local population to fill the classrooms ...