The impacts of climate change on cultural heritage sites are increasing, necessitating comprehensive vulnerability assessments tailored to specific heritage categories. This study focuses on flood and sea-level rise vulnerability assessments for historic buildings on an urban scale. The case study area of this research includes 31 historic schools located in İzmir, Turkiye. The assessment is based on data collected through field surveys, literature review, archival research, interviews with school staff, and expert consultations. Hazard maps are overlaid with school locations to identify vulnerable schools. The findings reveal that 6.4% of historic schools face very high vulnerability, 77.5% exhibit high vulnerability, 6.4% show medium vulnerability, and 9.7% have low vulnerability to floods. Additionally, the assessment results indicate that five schools may be susceptible to sea-level rise by 2050, with numbers rising to six by 2100 and eight by 2150. Recommendations for urban-scale adaptation measures are developed based on the assessment results. This research shows that urban-scale vulnerability assessments lay the groundwork for building-scale assessments in historic places. In addition, this study highlights that vulnerability assessments contribute to informed decision-making in heritage conservation and climate change adaptation.