This study aimed to determine the relationship between bullying attitude, family functions and perceived social support. The sample of study is composed of 683 high school students. Data were collected by using Students Relations Attitude Scale, Family Assessment Device and Perceived Social Support Scale. Pearson Moment Correlation Coefficient, ANOVA and Independent Samples t Test were used in data analysing. According to the results of the study, there is a statistically significant relationship between Students Relations Attitude's subscales which is "bully personality" and all of the subscales of Family Assessment Device and Perceived Social Support. Students Relations Attitude's subscales which are self-confidence" and "avoidance of bullying" are related to all of the subscales of Family Assessment Device except "affective involvement" and all of the subscales of Perceived Social Support. It was found that, students who stated that they bully others, have high level of bully personality, family dysfunction and low level of avoidance of bullying, family and teacher support. Moreover, students who stated that they are bullied, have high level of bully personality, family dysfunction (except behavior control) and low level of family, teacher and peer support. (C) 2014 The Authors. Published by Elsevier Ltd.