Abstract
Multi criteria decision making methods is a methodological tool that allows decision maker to choose the best alternative or sequence of these alternatives by optimizing the quantitative and qualitative criteria. In the study, classical and fuzzy multi criteria decision making methods are used for the purpose of identifying the risks in educational institutions posed by substance abuse, which is particularly widespread among today’s teenagers, threatens human health and public welfare. In this context, the factors that affect the substance abuse and relative importance weights of these factors is specified according to expert choices by way of a survey that was prepared on substance abuse among young people is applied to high school students who are currently studying in Ankara’s Keçiören district and analysis is made with using fuzzy ANP. In the second phase of the study, a comparative evaluate of the schools in the district that have a high density of students who are under the risk of substance abuse and need support in this regard, is identified with using fuzzy VIKOR methods of classical methods. Obtained results of this analysis used in substance abuse with a particular fiction shows that these methods can be used in areas requiring risk analysis and also in applications where delivery of important and sensitive decisions based on subjective opinion, decision makers are proposed more effective and realistic results.