This paper aims to raise the issue to consider, that is the architectural planning and living environment of after-school childcare center that higher grade elementary school children feel comfortable. The authors conducted survey at a certain institution. The result shows that those children tend to choose spaces they can stay away from others. Also, they tend to concern about the glances or noises of others in their free activities rather than stated program such as homework. It seems to be the reason of this tendencies that those children are in transition period of the stage of psychological development.