By the study some knowledge was acquired as follows. 1. Sixty-six municipal elementary schools were built of reinforced-concrete in Kobe between 1920 and 1939. At 1923, the Architectural Section was founded in Kobe Municipal Office and placed in charge of its design. 2. The building of those schools resulted from not only the abolition of school district system at 1919, but also a promotion of a memeber of municipal assembly. 3. In elementary schools in Kobe-city, the size of classrooms, the span of columns and the height of story were standardized. 4. Characteristics in Kobe schools were mentioned as follows, an auditorium on the 3rd floor, double-loaded corridor type under the 2nd floor. 5. At first the design was influenced under that of wooden schools but new patterns were created one after another and settled at last.