The Economist – The evidence in favour of charter schools in America has strengthened

Improving schools is hard. Evidence of success or failure can take a decade to collect. What works in one place may flop in another. This explains why school reformers are excited about an authoritative study from Stanford University which shows that charter schools really do help children learn. That should settle an argument over how to arrange America‚Äôs schools that has been raging for 30 years….