Learning in Depth: A Simple Innovation That Can Transform Schooling

For generations, schools have aimed to introduce students to a broad range of topics through curriculum that ensure that they will at least have some acquaintance with most areas of human knowledge by the time they graduate. Yet such broad knowledge can’t help but be somewhat superficial—and, as Kieran Egan argues, it omits a crucial aspect of true education: deep knowledge.

Real education, Egan explains, consists of both general knowledge and detailed understanding, and in Learning in Depth...