Teasing is a type of bullying which is seen in children at very early ages and considered as devastating for the victim. The skill of coping with this behavior is considered as important in terms of learning peer relations of children and being adapted to in-group relations. The aim of this study is to analyze the effects of Accepting Diversity Psychoeducation Program on teasing.The study was conducted with a pretest, posttest, and follow-up test model with experimental and control groups. The study was carried out with primary school students in grades 1-5 in Kayseri, in accordance with the project no: 118B525 in TUBITAK 4004 program. The data were collected using "Child-Adolescent Teasing Scale". While experimental group was given instruction through Accepting Diversity Psychosocial Education Program, control group was not given instruction. Follow-up data were collected one month after posttest. Mann Whitney U and Wilcoxon tests were used to analyze the data.The results of the study revealed that there was a significant difference (p <0.05) between the posttest scores of the experimental and control groups. The applied program decreased discomfort felt by children in experimental group. The effects diminished but continued in following month.