The aim of this study was to determine the dropout tendencies of secondary school students and to state the factors, affecting the dropout tendency. This research was conducted, using descriptive survey method. The data were collected through a questionnaire developed by the researchers. During the administration of the question naire, 16 primary schools in three different areas were selected through simple random sampling and 900 students attending those schools were given the questionnaire. Research findings showed that, in general, there was a dropout tendency in 16,1% of secondary school students. When the findings related to personal factors were considered, it was seen that gender and students having unfavorable attitudes were factors that led to differences in dropout tendency. When the findings related to social environment were considered, it was seen that factors such as exclusion from social environment and making friends with students who have dropout tendency or those who left school or those with low academic success increase dropout tendency considerably. When the findings related to school factors were considered, it was seen that factors such as dissatisfaction with school, teachers and administrators, not getting enough help and support from teachers and administrators together with the abundance of unfavorable attitudes in school environment increased dropout tendency.