High school (Tochigi)

This unnamed high school, located in Tochigi, is attended by Akari Shinohara after she graduated from the junior high in 5 Centimeters per Second. It is unknown if it is based on a real-life school.

In 5 Centimeters per Second
Not much is known about this school, other than that male students wear black gakuran as their uniform while female students wear sailor suit with a red bow on their chest.

In 5 Centimeters per Second manga
In the manga, male students wear white shirt instead.