Last week, National Affairs published my essay on the Common Core. Today, I want to respond to the advocates who've shared their reactions with me.

Good schooling is about more than reading and math scores. Here are 3 metrics from Leaders & Laggards that help offer a more holistic assessment of states' education systems.

Howard Fuller's new book No Struggle, No Progress is stuffed with fascinating detail and from-the-shoulder wisdom. Let me keep it simple: read this book.

The 2014 Leaders & Laggards report contains lots of data on AP STEM performance. States are mostly faring poorly: no state has even one in six students passing an AP STEM exam.

In response to my post about Common Core advocates' five half-truths, Dylan Wiliam wrote to me explaining why he refused to sign off on the Common Core State Standards.

Today the U.S. Chamber of Commerce is releasing its 2014 Leaders & Laggards report. It introduces new measures, revisits old measures, and allows for comparison between the 2014 and 2007 findings.

The College Board's revision of the AP U.S. History curriculum framework has ignited a firestorm. Contrary to some recent attacks, it's not malicious, but it does raise questions about intellectual balance.

Common Core advocates repeatedly stress five impressive claims. Here's a cheat sheet for evaluating those claims, which are far less compelling than they appear at first glance.

People ask me, "You're a reformer. How can you think X?" I think much of the confusion is because "reform" has been used to describe two different schools of thought: one progressive and one conservative.

Several years ago, YES Prep replaced a step-and-lane teacher compensation system with our Teacher Continuum. Here are some key lessons we've learned.