Parents challenged the Book of Mormon, the Quran in this Utah school district. Here’s what happened next.

After uproar over its initial decision to ban the Bible — which was later reversed — a Utah school district has been trying to better separate the wheat from the chaff in determining which religious books can stay on library shelves. And it has decided all of them are good books. Earlier this year, Davis School District concluded its long pending reviews of both the Book of Mormon, which is the foundational scripture for the Utah-based Church of Jesus Christ of Latter-day Saints, and the Quran, the holy book for...