In Stephen Chbosky’s novel The Perks of Being a Wallflower, Sam is a high school student, and it is indicated that she is around 17 years old. The story follows Charlie, who navigates his freshman year and forms friendships with Sam and her brother Patrick, who are older students. Sam’s age plays a significant role in her character development as she deals with the challenges of growing up and her past experiences. Throughout the novel, her relationship with Charlie highlights the complexities of youthful love and personal growth.