At a recent high school graduation, the class valedictorian spoke of the most important thing he had learned in 13 years of public education. Among his many classes and extracurricular activities, one moment in particular stood out. His teacher had just divided the class into groups for a project that they would work on—and be graded on—as teams rather than individually. Sensing the students’ distaste for this approach, the teacher preempted their complaints by explaining, “Get used to working in groups because, in the end, life is [.....]
