Organizers were eight students from New Rochelle High School, former group members.
The middle schoolers were grouped by grades and had researched governments of various African nations earlier in the month.
The conference was to present their findings and adopt a diplomatic role to debate and negotiate solutions to resolve "rising terrorism in Africa."
Model U.N. adviser, seventh-grade teacher Colleen O'Reilly, was impressed by the students' willingness to spend a Saturday in school.
"They really have a desire to learn and come up with ideas," she said. "Their enthusiasm to learn about the world outside of their normal realm -- it's amazing."
"Saturday was one of my favorite days ever being a principal," ALMS Principal John Barnes said in an email. "Goose-bump city, and so beyond impressive."
The student group, which travels to Boston to compete annually, will make its first international trip to Vancouver, Canada, in April.
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