Teacher question: Can we raise student achievement by teaching subject area content knowledge? I’m concerned about this approach because I work with struggling readers. We know a lot about how to help them learn to read, so I was wondering if there is evidence that teaching “knowledge” to such students really makes any difference. I recently came across a study of a widely touted reading program that is supposed to be better because it emphasizes knowledge building and yet the results weren’t positive at all (See, Gorard, & Siddiqui, 2017).   Shanahan re...