By REBECCA STRAUSS
Averages can be misleading. The familiar, one-dimensional story told about American education is that it was once the best system in the world but that now it’s headed down the drain, with piles of money thrown down after it.
The truth is that there are two very different education stories in America. The children of the wealthiest 10 percent or so do receive some of the best education in the world, and the quality keeps getting better. For most everyone else, this is not the case. America’s average standing in global education rankings has tumbled not because everyone is falling, but because of the country’s deep, still-widening achievement gap between socioeconomic groups.
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