East Troy High School, 3128 Graydon Ave., will host its annual Halloween Bash on Tuesday, Oct. 24 with Trick-or-Treating from 4:30 to 6:30 p.m. and Magic Show from 6:30 to 7:30 p.m. Children 10 and younger, along with their parents, are invited to trick-or-treat through the school. The event will also feature face painting, a costume contest, Lefty's Food Truck and more. For more information, call (262) 642-6760. The event is sponsored by ETHS Key Club and FBLA.