In Haikyuu!!,characters' intelligence and academic prowess are mostly reflected by their class rankings. Some characters' focus on volleyball leads to lower academic performance, such as Tanaka and Bokuto. Other characters, like Yachi and Akaashi, excel in academics and apply their intelligence to volleyball strategy.

The Japanese education system is comprised of six years of elementary school, three years of middle school, three years of high school, and four years of college. While this system still holds true in Haikyuu!!, the show added another element by ranking students by academic prowess or intelligence.

Their designated title of "first-year" or "second-year" indicates what year they are in at school, but their class number, as in "class 5" or "class 1," tells fans whether or not that character is prepping for college or learning the basics in the classroom. Haikyuu!! even featured an arc where Hinata, Kageyama, and a few other Karasuno players had...