In this study, it was aimed to examine the peer bullying levels of high school students in terms of various variables. The universe of the research consists of high school students in Istanbul. The research sample consists of 384 students. Descriptive analysis method was used in the research. In the study 'Information Form' and 'Peer Bullying Scale' were used as data collection tools. In the analysis of the data, Independent Groups t-Test, One Way Analysis of Variance were used. Within the scope of the research findings, It was determined that peer bullying differs significantly according to gender. It has been determined that male participants exhibit more bullying behaviors than female participants. When peer bullying scores were examined according to school type, it was determined that there was no significant difference. The research findings are discussed in the context of the literature.

This study aimed to assess whether or not the social media usage of high school students predic ts levels of their well-being. S ocial Media Use Integration S cale is applied to students in order to measure the social media usage of students while Well-Being S cale is applied in order to measure their well-being. The study is conducted with 262 (142 female, 120 male) high school students studying in an educational institution in Uskudar district of Istanbul. As a result of the sc ale evaluations made, it was seen that Facebook usage did not predict Well-Being signific antly. According to the results, the Facebook usage of high school students is low and it is not predictive of Well-Being.