Loading view. There were no results found. There were no results found. Union Grove High School Events Venues Union Grove High School 11220 Union Grove Rd. Gladewater, TX 75647 United States Get Directions 903-844-3900 http://www.ugisd.org/ugss Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file