
Recently, I joined a Facebook group dedicated to my high school, and as we chatted back and forth, the names of my teachers came spinning at me like calendar pages in a film noir. Then I realized that, while I remembered the teachers, I wasn’t as able to remember the things they taught. Oh sure—I remember random fragments—bits and pieces of mid-seventies curricula. But I’m pretty sure I wouldn’t be able to pass a midterm exam in any of the classes I...


