The purpose of this study is to propose the environmental planning guidelines of elementary school facilities for a crime safety. The methods this research adopted are the document analysis, and the survey research top get the present conditions ordinally. The results of this study are as follows; There are several places to consider. They are as follows, parking lots, main access road. To improve physical aspects is necessary to create an educational environment of the elementary school for crime safety. The teacher, the police officer and the architect need to share Crime Prevention through Environmental Design to create an educational environment for elementary school students. To make a sustainable environment of crime safety. It is necessary to raise awareness of the crime prevention and to establish the systematic and positive system, to replace CCTV and access control device with a good quality. From time to time awful incidents happen around schools, which is why Seoul has decided to organize school guardians in elementary schools.