This study was conducted to determine the effect of green schooling knowledge and parents guidance on the environmental awareness of the students. This study used a quantitative approach with the expost facto method. This study was conducted in Muhammadiyah 41 elementary school in East Jakarta at July to December on the 2nd semester of the academic year of 2014/2015. The data were collected from a sample which consisted of four third grade elementary school students drawn randomly. The data were analyzed using two ways ANOVA. The results showed that: 1). There were significant differences of green schooling knowledge level on the student's environmental awareness; 2).There were significant differences in the intensity of parental guidance on the environment to the student's environmental awareness, and 3). There were significant differences in green schooling knowledge level and the intensity of parental guidance on the environment to the student's environmental awareness. Both variables might be considered to improve the student's environmental awareness.