Nigerian International Secondary Schools Model United Nations (NISSMUN) Conference is a yearly interactive educational event, recognized by the United Nations, for senior secondary school students within and outside the country. These students, known as delegates at the conference, take on roles as representatives of United Nations member to discuss and debate most pressing global issues, and proffer innovative solutions to the problems. NISSMUN delegates use this conference to develop their diplomatic skills and relations needed to build a more tolerant and peaceful future. It also creates an avenue for the student delegates to build valuable friendships and promote cooperation.

NISSMUN Conference broadens the horizon of participating students and creates more awareness on real life issues affecting our world today. It provides an avenue for the participants to have fresh knowledge and understanding of international activities and encourages them to be more involved in world affairs. The students at the end of the conference leave with fresh drive for success, enhanced skills and self-assurance to grow and become assets to themselves, their schools and the society as a whole. The experience they gain from this conference will assist in building their resilience to real life challenges and leadership problems they may encounter.