Environmental pollution from industrial metal waste is hazardous for human survival, so knowledge, perceptions, and attitudes of caring for the environment must be formed early. The formation of knowledge, perceptions, and attitudes to care for the environment can be done through education. This study aims to determine the level of expertise, environmental care attitudes, and the relationship between knowledge, perceptions, and environmental care attitudes of students of State Junior High School 1 of Ceper in dealing with waste pollutant disasters. The sample in this study were students of State Junior High School 1 of Ceper who lived around a metal foundry factory in Ceper District. The data analysis technique used is descriptive and inferential statistics. Descriptive statistics are used to analyze the level of knowledge, perceptions, and attitudes of environmental care. In contrast, inferential statistics determine the relationship between the level of knowledge, perceptions, and attitudes of caring for the environment. The results of data analysis showed that the level of knowledge, perceptions, and attitudes of students' environmental care was high. Furthermore, the results of the Mann-Whitney test value Asymp.Sig. (2-tailed) of 0.000 less than 0.05 where the hypothesis is accepted, and it can be said that there is a relationship between knowledge, perception, and attitude of caring for the environment