The post-Oct. 7 anti-Semitism crisis has hit institutionally assimilated American Jews especially hard. By “institutionally assimilated,” I mean that the physical spaces where they spend their time are more likely to be secular in nature: public schools, nondenominational youth groups, etc. And that has left these young Jews isolated. On this score, the situation in K-12 public schools is especially alarming. Over a period of about two months after the Hamas slaughter, for example, dozens of