The curriculum of technical high school has been revised many times during the past several decades because of the changes of educational circumstance. The educational goals in technical high school get toward the integration of theory and practice in every one course of major subjects in near future. In the usable methods of the classroom, the use of general classroom is lowered byway of the increase of the practice rate in special classroom, there by, in the situation that is high with respect to specialized curriculum and practice the classroom. Composite of curriculum is more effective. For these reasons, the architectural planning, especially the arrangement of classrooms and practice space according to the new curriculum has been more important than before.