The purpose of this study is to determine the significance of the effects of students’ peer bullying on variables of academic success and disciplinary status of students at the second stage of the primary schools; and to analyze prediction degree of predictor variables of age and number of siblings regarding peer bullying. The study was conducted with the participation of students studying at 6th, 7th, and 8th grades of primary schools within city center of the Erzurum province and surrounding towns in Turkey. Data of the study were obtained through Bully and Victim Determining Scale-Child Form. The difference was found in favor of the students who are subjected to bullying. Predictor variables of age and number of siblings were found to predict peer bullying scores of students at a significant level.

Keywords: Primary schools, peer bullying, academic success, disciplinary state