The Purpose of this paper was to study the uses of the extra activity classroom of elementary school and the satisfaction of the students. The SPSS 10.0 for windows was used to analyze data collected from 397 elementary school students in Kunsan and Seocheon. The results were as follows: (1) More than 2/3 students have experienced special activities. The extra activity classroom was not effectively used showing less than one or two hours use a week for the lecture and extra activities. (2) Generally the students were satisfied at the condition of extra activity classroom, but dissatisfied with the degree of the independence, of deterioration, and of safety while moving. That is because the building and its equipment were old, and soundproofing and safety establishments were not well equipped. (3) There was difference between schools. Students at city had more satisfaction than at county. (4) The most important item of extra activity classroom was esthetics followed by function, safeness. and healthiness. It shows that the important item is being moved to esthetics and healthiness from function of extra activity classroom.