Private Shidarezakura Academy

Private Shidarezakura Academy (枝垂桜学園) is a prestigious girls-only school located in School Garden. Like most of School Garden, its campus is designed to looks like a European-style street.

Agitate Halation Arc
The school, specifically, a girls' locker room, is the location where Tsuchimikado Motoharu drops Kamijou Touma off in a box for a wild goose chase for the Altar of the Wisdom King and Umezaki Yuuga‎‎.

Predictably, the box opens to reveal Touma, who is forced to flee in a literal no-man's land.