Times of India report shows that India has a large amount of student population – 315 million- in the world (Times of India, 2014). Students are strength, resource and backbone of our nation because a healthy student population can play vital role in the protection of freedom, justice, equality, ethics, social equilibrium of a nation and to eliminate injustice, inequality, oppression, exploitation, corruption etc. from a nation in the future. But there are different types of problems that will inflict massive harm to their life. One of such problems is substance abuse among school children. The present paper deals with the substance abuse among high school students in Elappara Panchayat which is in the district of Idukki, Kerala. The main objectives of the study is to know the awareness level of the high school students about the problem of the substance abuse, peer pressure, availability of the drugs, drinks, and smoke, mass media and family dynamics contribute to substance abuse among high school students in Elappara Panchayat.