In-Service Day (Kingsport City Schools) Post author By Thomas Gould Post date October 22, 2021 When 10/22/2021 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 ← Fall Break (Kingsport City / Sullivan County Schools) → 2022 Spring Break (Kingsport City Schools)