The role of the schools is very critical in order to develop environmentally-aware and ecologically-conscious students. This descriptive-correlational study sought to measure the level of awareness and practices of 100 Science students in a public secondary school in Zambales, Philippines. Findings revealed that the Science students are very aware on environmental concepts and state of environment; and very aware in environmental issues and problems. They often practice taking actions to solve environmental problems and sometimes practice the need to possess a high degree of commitment. The study found out that there is a moderate correlation between students’ awareness on environmental concepts and issues and their practices to solve the environmental problems and possess a high degree of commitment. The study recommends that information dissemination programs regarding environmental concepts, state of the environment, ecological issues and problems could be sustained by the school to keep the ecological awareness of the students high. Environmental advocacies and eco-movement may likewise be institutionalized in the school through student organizations like YES-O and Science clubs. The crafted ecological management plan is recommended for implementation to increase the degree of commitment of students towards ecological conservation.