ABSTRACT Objective of research is to know the correlation between knowledge of waste management and environmental friendly behavior. This research was completed in March-September 2018. Population of research to students of senior high school in Kabupaten Bogor in the academic year 2018/2019. The sample were taken by using Multistage Random Sampling Technique with the total sample of 88 students. The quantitative research data was taken by survey for the waste management knowledge and questioner with rating scale for the environmentally friendly behavior. The hypothesis data testing used correlation test with Product Moment Pearson formula by using SPSS. The result showed that there was a significant positive correlation between knowledge of waste management with environmental friendly behavior. Therefore, the enhancement of the waste management knowledge was able to improve students' environmentally friendly behavior in the school or in the surrounding.