Uto Municipal Uto Elementary School represents a compelling exploration of spatial diversity through architectural form. Designed by Kazuhiro Kojima and Yoshiko Akamatsu of CAT, this educational facility employs an L-shaped wall configuration strategically paired with an interior courtyard to generate multiple distinct learning environments. Located in Uto, Kumamoto Prefecture, the building demonstrates how thoughtful geometric planning can create versatile spaces that serve the complex needs of primary and secondary education. The interplay between the defining wall geometry and the central courtyard establishes zones of varying character and function, making this project a noteworthy example of contemporary Japanese educational architecture.