The aim of this research was to investigate the phenomenon of bullying and the dangerous effects on victims and the security of school environment, and to understand the psycho-social dimensions, through recognizing the degree of contribution of embodying the social values, feeling inferiority and strength of inner feeling of bullies who try to compensate some difficulties and get social and psychic giants in Tafila Public Schools south Jordan. The sample of the study was consisted 300 male and female bullies students at the high-primary stage in the academic year 2009/2010 in 8th, 9th and 10th grades. The researcher developed three scales for the purpose of this study: bullying scale, bullying measure developed for this study: social values scale feeling inferiority scale and the conscience awakening scale. Means and SDs, ANNOVA and the Chaffee test were utilized in this study. Results indicated that the variable of feeling inferior was the strongest factor for predicting bullying and Awakening of conscience and social values were found to have a negative relationship with bullying. In addition, it was shown that male students are more practiced in bullying than female students and there were statistically significant differences among the means of students performance in (8th-10th grades) in bullying only, where no statistically significant differences indicated among the three levels of grades in social values, feeling interior and awakening of conscience.