The involvement of parents in different roles in life sometimes affects their communication with their children, which can affect the bullying behaviour of adolescents in school. Therefore, this study examined the patterns of family interaction experienced by respondents and whether such experiences correlate with adolescent bullying in schools in Kwara State, Nigeria. The objectives of this study were to investigate: (i) the perceived family interaction pattern adopted by parents of in-school adolescents; (ii) the prevalence of bullying perpetration and victimisation among in-school adolescents; (iii) the bullying roles of in-school adolescents and (iv) correlation between family interaction patterns, bullying behaviour and bullying roles. The study was a descriptive correlational type study. The sample was 410 adolescent students from 16 proportionally selected secondary schools in Kwa...