There's plenty to like about [Jonathan] Alter's piece; I love the quote by House education committee chairman George Miller that "the debate is between incrementalists and disrupters, and I'm with the disrupters." (Alter must have sat in on an editorial board meeting with his Post colleagues because they used that terminology too.) But Mr. Alter, you ought to be ashamed about this line: "We know by now what works for at-risk kids. The challenge is trying to replicate it." Sure, this is true in the simplest sense. KIPP works. Achievement First works. Cristo Rey works. But replicating these schools 1,000 or 10,000-fold is more than just a challenge...Read it here.