Fukashi Junior High (a fictional school) is where Takaya and Yuzuru attended junior high. Takaya had a reputation as a trouble student there. He and Yuzuru were in the same class in their first year and in different classes in their second year. Takaya started skipping school about midway through his first year, after his parents divorced.

Kayama was in Yuzuru's class in second year, and Yokomori and Ichinose were a year above them.

Lit: "castle-north"; the name of the high school at which Narita Yuzuru and Ougi Takaya are 2nd-year students, located in Matsumoto City. Likely fictional. However, the manga implies that the real-life equivalent is Fukashi High (深志高) , which is indeed "north of the (Matsumoto) Castle".

School begins in May. Some of the classes Takaya takes are: Classical Literature, Modern Japanese, English, Math, Physics, P.E. and an art elective with choices of Fine Arts, Music, and Calligraphy. Takaya and Yuzuru both take Fine Arts. Their day is divided into Periods, with one class per Period. It sounds like classes rotate into different Periods as the week progresses; for example, in Volume 2 chapter 4, Chiaki tells Takaya that the Math teacher assigned him a problem for Second Period today, because he wasn't there for First Period yesterday.

Old Castle (Kojou) High School is a fictional school set at the site of the castle which was torn down to make way for Katou Kiyomasa's Kumamoto Castle (also named Kumamoto but using different characters—隈本城 instead of 熊本城). It's likely where real-life Kumamoto Prefectural Daiichi (First) High School stands.

It was originally built as a Western school by foreigners during the Meiji Period (Daiichi was built in 1903 as an all-girls school but later become co-ed). The current school was built around 20 years ago (1970s) and is composed of two three-story buildings to north and south connected by a series of hallways with air-conditioned rooms. It also has a sports oval, a prefabricated club storehouse, and a gym under construction. Kumamoto Castle Park is quite close.

Tokyo Zokei University is a private art college located in Hachiouji City, Tokyo. It was established in 1966 by Kuwasawa Youko of the Kuwasawa Design Institute. The university was originally built in Moto-Hachiouji-machi. The entire campus was moved to Utsunuki-machi in 1993, apparently because of a large-scale modification of the campus building contract and design.