SMUNC is one of the world’s largest Model UN conferences for high school students, drawing delegates globally to engage in rigorous debate, simulations, and strategy sessions.

A Canadian and American competition usually held in either Canada or the United States, the International Independent Schools' Public Speaking Competition (IISPSC) is an annual public speaking event open to the League's member schools from across the world.

As the oldest and most prestigious high school MUN conference, HMUN brings together over 3,000 delegates from hundreds of schools worldwide in a distinguished forum hosted at top Boston venues.