Kpanja, Kashim LaguNgoho, Bukar UmarDyaji, Esther JoyMonde, Victoria Titi2023-12-132023-12-132018-03-03Kpanja, Kashim Lagu, (Department of Educational Foundation, Nasarawa State University Keffihttps://keffi.nsuk.edu.ng/handle/20.500.14448/3974Th is study investigated the Prevalence of substance abuse among senior secondary> school students in Bomo State, Nigeria. It adopted a survey design. Target population of the study comprised of 241,417 Senior Secondary School Students (SS 11) in Bomo State. Stratified random sampling technique was used to draw a sample of2,600 Senior Secondaiy school Students (SS 11) made up of 1,400 (53.8%) males and 1,200 (46.2%) females from public and private schools. Researchers’ self designed questionnaire tagged “Students’ Substance Abuse Questionnaire” (SSAO), was the instrument used to collect data for the study. Data collected were analyzed using frequency counts, percentages and rank difference correlation coefficient (r). Results of the study showed that Kola nut, Cigarette, Alcohol, Tramol, Marijuana, Traditional Snuff, Suck and die, Emzolyn Syrup, Coffee and Local Wine (Brukutu) were the most substances commonly abused by the respondents. Sources of the substances abused include Street Hawkers and Special dealers. Reasons for substances abused were to aid concentration while readings, increase performance in sports, to experiment the effects of the substances, imitate peers and feel bold while indiscipline, low academic performance, indulgence in crime, poor school attendance, and violence against school authority, examination dishonesty and expulsion from school were some of the effects of substances abused.enSubstance abuse, drug use, drug abuse.Article