High Class features a realistic, high-definition art style that captures the raw intensity of adolescent tension. The visuals excel at depicting the psychological weight of the classroom the cold stares, the suffocating atmosphere of the hallways, and the stark contrast between Wang Dam’s quiet study sessions and the explosive outbursts of violence around him. Rendered in stunning high-definition, the series brings the grit of Seoul’s backstreets and the high-pressure environment of the Korean education system to life with cinematic clarity.