Ave Maria University in Florida reported a measles outbreak that has sickened more than 40 people, triggering public-health alerts and isolation protocols on campus. University health officials and local public-health agencies mobilized contact tracing and vaccination clinics to contain spread. The outbreak underscores contagion risks in congregate living and the need for rapid immunization verification, outbreak response plans, and cooperation with local health departments. Colleges with residential populations will be pressured to review immunization requirements and campus-visitation policies. Administrators face immediate operational choices—quarantine housing, academic continuity for isolated students, and communication plans to reassure families and regulatory bodies—while public-health officials determine broader community exposure risk.