Kaimei High School (開盟学園, Kaimei Gakuen) is the main setting of the series, and a school attended by much of the cast (see also: the list of students by class and year). It runs on a trimester system. A student-based music competition known as the Kaimei Rock Festival occurs every year, unless there is a lack of funding and/or entrants.
Faculty
- Principal: Genzaburō Karamatsu
- Chemistry: Tetsuji Chūma
- English: Kanegi
- Geography: Kunio Yamanobe
- Japanese History: Yoshimura (former)
- Shop Class: Junichi Son
- Janitor: Yoshimura
- Homeroom/Other: Remi Misora, Itō, Honda, Sayama, Satō, Kutsuwa
Clubs and Sports Teams
- Sket Dan
- Student Council
- Quiz Society
- Manga Club
- Occult Research Club
- Deka Club
- Newspaper Club
- Broadcasting Club
- Calligraphy Club
- Theater Club
- Baseball Team
- Softball Team
- Kendo Team
- Cheerleading Club
- Basketball Team
- Volleyball Team
- Gesu-ling Club (Now Disbanded)
- Pocket Dan
