What grade level should read flowers for algernon?

"Flowers for Algernon" is typically recommended for high school students, around grades 9 to 12. The novel deals with complex themes such as intelligence, ethics, and human relationships, making it more suitable for mature readers. Additionally, its exploration of psychological and emotional issues may resonate better with older adolescents. Some advanced middle school students may also engage with it effectively, depending on their reading level and maturity.