The Senior Service Club of Mercer Island High School is holding a blood drive at the high school between 8 a.m. and 2 p.m. (closed between 10:30 and 11:15 a.m.) on Friday, Nov. 4.

Blood drive organizers are hoping that community members and students are up for the challenge. Students under 18 must bring permission forms signed by their parents. For more information, call 1-800-398-7888.