Abstract: Single parent may have profound negative impacts on student’s academic performance as parents’ play an important role in most children’s academic development. Previous research indicate that children from both parents perform better than children from single parent as due to the limited time single parent has to spend on their child’s academic work. Hence, the purpose of this study is to investigate the effects of single parenting on academic performance of adolescent in one of the private schools in Brunei-Muara District. The researcher will use selective survey on the students from single parent. The academic performance records of the students were obtained from the school principal. With this study, counsellors, teachers and parents could help to enhance the children’s academic performance and improve their grades. This will be achieved by, firstly, investigating whether there is a difference in academic performance between children of single parents and both parents. Secondly, to investigate the academic performance between genders of children from single-parent and two-parent families. Finally, the researcher will provide some recommendations or suggestions to help children from single parenthood in our society.