The town of Plains is mourning the loss of a teacher and coach who was killed in a car wreck Wednesday. Plains Schools Superintendent Thom Chisholm said that faculty member Kenny Marjerrison died in the accident. According to Montana Highway Patrol, the accident happened just before 4:30 p.m. on Wednesday, Oct. 25, outside of Arlee on U.S. 93. Highway Patrol Sgt. Chan Barry said the vehicle Marjerrison was driving veered into the other lane.