Winter Break – Kingsport City/Sullivan County Post author By Vic Hasler Post date December 22, 2025 When 12/22/2025 - 01/05/2026 All Day Add To Calendar Download ICS Google Calendar iCalendar Office 365 Outlook Live Event Type School Cal Online bookings are not available for this event. Back to Annual Calendar ← Last Day/Early Dismissal – Kingsport City/Sullivan County → Parent-Teacher Conferences – Kingsport City