The aim of this study is to examine the relationship between positive and negative childhood experiences, forgiveness and social exclusion experiences of individuals in adolescence. The research was carried out using the relational survey technique, one of the quantitative research methods. The participants of the study consisted of middle school and high school students (n=669), 354 girls and 315 boys, aged between 11 and 17, in the fall semester of the 2021-2022 academic year. The data collection tools employed within the study are: Personal Information Form, Adolescent Ostracism (Social exclusion) Scale to measure the social exclusion levels of the participants, Childhood Happiness/Peace Memories Scale to measure their positive experience levels, Childhood Experiences Scale to measure their negative experience levels, and Forgiveness Scale for Adolescents to measure their tendency to forgive. For the analysis of the data, SPSS 26.00 package program was utilized and descriptive