This study investigated the effectiveness of discussion method of teaching in curriculum delivery in secondary schools in Ogbia Local Education Authority (LEA) of Bayelsa State, Nigeria. Nigeria has thirty six States in which Bayelsa State is one of it and Bayelsa State has eight Local Education Authorities which Ogbia is one of it. Ten secondary schools were randomly selected from the thirty schools in Ogbia LEA and eighteen teachers from each of the ten selected secondary schools were randomly selected for the study. The study was guided by three research questions. The instrument for the study was questionnaire developed by the researchers. Split half reliability was used to determine the reliability of the instrument, r = 0.87 was realized which is within the acceptable reliability benchmark. The instrument was administered to respondents and was retrieved and analyzed using percentage. The findings revealed that discussion method of delivering curriculum had positive impact on student because it encourages listening, talking and critical thinking among students which leads to better performance. It also encourages cooperation and teamwork among students and teachers. From the study, it was also discovered that discussion method of curriculum delivery helps students to deal with stereotype, gender bias and social disability. The best subjects suitable for discussion method are art/social science related subjects as well as science subject like health education. Teachers have adequate preparation but lack adequate instructional materials for effective curriculum implementation using discussion method of teaching. Based on the findings of this research, the researchers made some recommendation which includes curriculum planners and textbook writers should provide topical issues/discussion topics before, during and after every reading task to make lessons more participatory, meaningful, purposeful, exciting, enjoyable and pleasurable. Teachers should be encouraged to attend seminars, workshops and conferences in methodology to update their skills in discussion.