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![Bullis Delegates Shine at International Model UN Conference in Washington, DC]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763061328/bullis/ntsxs8oqmm63jzpwddfr/MUN91.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763061328/bullis/ntsxs8oqmm63jzpwddfr/MUN91.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1763061328/bullis/ntsxs8oqmm63jzpwddfr/MUN91.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1763061328/bullis/ntsxs8oqmm63jzpwddfr/MUN91.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1763061328/bullis/ntsxs8oqmm63jzpwddfr/MUN91.jpg","width":1205}])
Ten Bullis Upper School students joined peers from around the world at the Future We Want Model United Nations conference in Washington, DC, debating issues of global security and disarmament in the DISEC committee. Over three days of intense collaboration and diplomacy, delegates like Outstanding Delegate honoree Felix Feng ’27 and their classmates deepened their understanding of international affairs, built global friendships, and strengthened their communication and leadership skills.
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![On-Level Chemistry Students Explore Mixture Separation]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1762452776/bullis/jxp0tvetz4ruvwuqkhna/2025-11-06-chem_feature.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1762452776/bullis/jxp0tvetz4ruvwuqkhna/2025-11-06-chem_feature.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1762452776/bullis/jxp0tvetz4ruvwuqkhna/2025-11-06-chem_feature.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1762452776/bullis/jxp0tvetz4ruvwuqkhna/2025-11-06-chem_feature.png","width":900}])
Bubbling reactions, disappearing mixtures, and a hands-on chemistry adventure—see how Dr. Rehwoldt’s Upper School students turned science into an exciting experiment in mixture separation!
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![Bullis Community Update: October 24, 2025]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1756904263/bullis/q5kxc3jvxjtpy9h9ydsl/2025-26-head-of-school-christian-sullivan.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1756904263/bullis/q5kxc3jvxjtpy9h9ydsl/2025-26-head-of-school-christian-sullivan.png","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1756904263/bullis/q5kxc3jvxjtpy9h9ydsl/2025-26-head-of-school-christian-sullivan.png","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1756904263/bullis/q5kxc3jvxjtpy9h9ydsl/2025-26-head-of-school-christian-sullivan.png","width":1080}])
Head of School Christian Sullivan provides the Bullis community with updates on school events, strategic initiatives, campus improvements, arts and athletics, and community celebrations.
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