2022 Christmas Break (Sullivan County Schools) Post author By Thomas Gould Post date December 19, 2022 When 12/19/2022 - 01/02/2023 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 of School (Sullivan County Schools) → Last Day of School (Hawkins County Schools)