This study aimed to compare the social compatibility of male and female students in PNU of Dareshahr. The population in this study included 41 male and 59 female PNU students in the school year of 2013-14 who were selected randomly. The California social-individual compatibility questionnaire was used in order to measure the variables. For this purpose a comparative plan was applied and a T-test was used to analyze the data. The results show that the social compatibility of male and female students is statistically significant.