Christmas concerts at Tarkio High School will be held Monday, December 14, in the THS Gym. The schedule for performances follows: fourth and fifth graders will perform at 5:30 p.m. (students arrive by 5:15 p.m.); sixth through eighth graders will perform at 6:30 p.m. (students arrive by 6:15 p.m.); and ninth-12th graders will perform at 7:15 p.m. (students arrive by 7:00 p.m.).