This study aims to compre the ecological literacy of students in adiwiyata and non adiwiyata schools. This study uses a quantitative approach. The sample in this study was grade XI students at SMAN 2 Malang, SMAN 4 Malang and SMAN 9 Malang. The sampling technique uses purposive sampling. Data analysis using one-way ANOVA test analiysis. This study obtained results: (1) there are differences in environmental knowledge in adiwiyata and non adiwiyata high schools, (2) there are differences in environmental care attitudes of students in adiwiyata and non adiwiyata high schools, and (3) there are no differences in students' skills in preventing environmental damage in adiwiyata and non adiwiyata high school