This supply of entrepreneurs can work if we're talking about a reform that captures just 1 percent of the nation's public school market share. (educationnext.org)
We will also be able to observe the evolution of public school markets over time, to see if competitive pressures result in more differentiation or a drift toward imitation — and how such trends affect student outcomes. (educationnext.org)
And on the specific claim the article makes that «half the charters perform only as well, or worse than, Detroit's traditional public schools» this is what the Stanford study has to say: «In reading, 47 percent of charter schools perform significantly better than their traditional public school market, which is more positive than the 35 % for Michigan charter schools as a whole. (educationnext.org)