What role do the children play in the story's conflict against Mr. Curtain?

The children in "The Mysterious Benedict Society" actively engage in direct action to thwart Mr. Curtain's plans, which is fundamental to the story's conflict. Their intelligence, unique skills, and teamwork enable them to infiltrate the Learning Institute for the Very Enlightened, where they uncover Mr. Curtain's sinister intentions and methods of manipulation. By taking on roles that allow them to gather critical information and ultimately disrupt Mr. Curtain's schemes, they not only challenge his power but also represent the themes of courage and resourcefulness.

While acting as spies is part of their strategy, which supports their direct actions, the essence of their contribution lies in their proactive efforts to stop Mr. Curtain rather than just gathering information passively. The other roles mentioned, such as providing emotional support or organizing community protests, do not encompass the primary focus of their involvement in the central conflict against Mr. Curtain's control over children and education.