This category consists of all the mentioned kids in Pencey Prep's student body. In other words, these are all the students at Pencey that are mentioned in the book.
“Selma Thurmer is the Daughter of Pencey's Headmaster. Not much of a physical description is...Selma Thurmer
“A friend of Holden who despises Stradlater, along with most of the kids at Pencey Prep, and whom...Robert Ackley