Fryer and his colleague Will Dobbie have just finished a rigorous assessment of the charter schools operated by the Harlem Children’s Zone. They compared students in these schools to students in New York City as a whole and to comparable students who entered the lottery to get into the Harlem Children’s Zone schools, but weren’t selected.

They found that the Harlem Children’s Zone schools produced “enormous” gains. …

To understand the culture in these schools, I’d recommend “Whatever It Takes,” a gripping account of Harlem Children’s Zone by my Times colleague Paul Tough, and “Sweating the Small Stuff,” a superb survey of these sorts of schools by David Whitman.

When it comes to an introduction to the debate about poverty and parenting in urban America, you could hardly do better than Tough’s book. The children of the uneducated and impoverished too often bear a gloomy inheritance, their futures set in stone from an early age. Within Canada’s 97 blocks, Tough finds a different kind of legacy — one shaped by parents who have learned to pay attention to their children’s developmental needs. With a support network unlike anything else in America, the children of Harlem can envision a future so many others expect as a matter of course.

Here’s video of the speech I mentioned in today’s Times Magazine article, the speech in which Barack Obama explains his plans to replicate the Harlem Children’s Zone in 20 cities across the country. The full text of Obama’s address is here.