The Hiji Elementary School Preservation and Regeneration project in Yawatahama, Ehime Prefecture represents a remarkable example of adaptive reuse in Japanese educational architecture. Completed in 2009, this restoration effort was spearheaded by architect Koichi Wada and a dedicated special committee of the Japan Institute of Architects Shikoku Branch, alongside Kazuomi Takechi. The project successfully transformed a historic schoolhouse into a functional facility serving elementary, middle, and high school students. By preserving the original structure while implementing modern renovations, the project demonstrates an innovative approach to maintaining cultural heritage while meeting contemporary educational needs, making it a significant case study for architects interested in sustainable heritage conservation.