Why is it that now with a bustling economy, rising productivity, and shrinking unemployment American public schools are not receiving credit for the turnaround? In light of scathing criticism of poorly performing public schools, the question sounds foolish. It isn’t if you consider the Great School Scam of the 1980’s.

For the last decade, U.S. Presidents, corporate leaders, and critics blasted public schools for a globally less competitive economy, sinking productivity, and jobs lost to other nations. The United States, as one highly popular report put it in 1983, had educationally disarmed itself in a hostile economic war. “If only to keep and improve on the slim competitive edge we still retain in world markets,” the report said, “we must dedicate ourselves to the reform of our educational system.”

And school reforms have spilled over the country since the early 1980’s. States legislated higher graduation requirements, a longer school year…