Tomobiki High School (友引高校, Tomobiki kōkō?, High School of Good Day for Business and Lawsuits), or just Tomobiki High, is a high school located in Tomobiki-cho. It is also the school Ataru, Lum, Ryuunosuke, Shuutarou, Shinobu and Lum's Stormtroopers attend.