The objective of the research was to analyze the formation in values in environmental education in high school students of the Enrique López Lascano Educational Unit-Cantón-Santa Lucia. Through a methodology with a mixed qualitative-quantitative approach, with an experimental and descriptive study, where analytical-systemic, inductive-deductive methods were used to collect information that was used in the survey of a population of 150 students and 50 teachers. Justifying the preparation of this scientific article with the need to promote and encourage environmental values in students, parents and teachers of the educational institution and the community in general to achieve behavior with the sustainability of the planet. This objective constitutes one of the main purposes of environmental education within the framework of higher education. The result was that teachers teach classes with environmental values in their classrooms to high school students, but they must devise strategies that help students identify environmental values and transmit them to the educational community.