My ex-wife was a middle school teacher of many years. Now retired. I can remember years ago while we were still married we agreed the way to fix education was exactly what this author has in mind.
Let good old American competition fix education. I still agree with this 100%.
So have many otherwise socialist countries in Europe. You pay for performance and achievement, you get performance and achievement. You pay for political correctness and nambly pambly pablum, that's what you'll get.