The present investigation reveals the level of environmental awareness of Secondary School students in a district of Assam based on gender, locale of study and medium of instruction. Random sampling was used to select 158 secondary school students from Kamrup (Metro) District, Assam. Normative survey method was used for the present investigation. Environmental Awareness Scale constructed and validated by the investigator was used. Calculation of means and standard deviations and test of significance. Total scores of environmental awareness stood at a low level (<50). Girls’ environmental awareness was greater than boys, urban students’ awareness greater than rural students and Assamese medium students’ awareness greater than English medium students. Environmental education, a process for increasing environmental knowledge and awareness is essential for the future of this world. This study evaluates awareness about the environment among students to remedy lacunae in existing situation.