PO Box 187, 1264 Adams Street Dansville, MI 48819 517-623-6120, Ext. 1104. High School. PO Box 187, 1264 Adams Street Dansville, MI 48819 517-623-6120, Ext. 1105. Download Calendars. 2024-2025 School Calendar. 2025-2026 School Calendar. Facility Use Form . Parent Resources More... Powerschool More... Food Service More...