The study examined the impact of broken homes on personality disorder and academic performance of senior secondary school students in the Federal Capital Territory Abuja, Nigeria. Seven research questions and four hypotheses were formulated to guide the study. The research employed a correlational survey design. The population comprised 66,390 students in FCT Abuja. The sample was three hundred and eighty four (382) students. A self-design questionnaire was used for the study. The questionnaire was titled: Broken Homes and Personality Disorder Questionnaire (BHPDQ). A reliability coefficient index of 0.76 was obtained using test-retest. The data collected were analyzed using mean scores, standard deviation and Pearson Product Moment Correlation Coefficient (PPMCC). The findings showed that there is a significant relationship between broken homes and personality disorder of senior secondary school students in FCT, Abuja, Nigeria. It also indicates that there is a significant relationship between broken homes and academic performance of senior secondary school also exist. The study further shows that broken homes, personality disorder and academic performance of senior secondary school students are significantly related. Based on their findings it was recommended that counsellors, school psychologists, teachers and school authorities should pay attention to set of students from broken homes for proper counselling and other supportive services, in order to make them focus on their academic activities.