Children and teachers from the Frederic Burk School walk in a single-file line past Pershing Hall at the Presidio. Guided by their teacher, the group moves along the walkway, notebooks and jackets in hand, as part of a day-long educational excursion. The image captures the orderly rhythm of a school field trip set against the historic architecture of the former military post, reflecting the Presidio’s evolving role as a place of learning and public engagement.