HM in Motion Campaign Updated Prettyman Gymnasium flanked by the new Upper Division Science and Campus Center Building on the left and the new Prettyman Gymnasium Lobby on the right. View from Alumni Field looking north. Horace Mann School Launches HM in Motion Campaign to Strengthen the School O n September 15, 2016, Horace Mann School's future was highlighted at a launch event to officially announce the HM in Motion capital campaign. Over 350 parents, alumni, administrators and faculty members gathered to learn about the plans and share in the excitement. Building upon Horace Mann School's legacy of academic achievement, HM in Motion will further advance and enhance the educational experience of current students and generations of students to come. 4 Horace Mann Magazine Spring 2017