Huntsville City Schools confirms that Mary Sisk was a teacher at Mountain Gap Middle School. In a statement, school spokesman Keith Ward said, “We are heartbroken to learn of the tragedy involving one of our teachers, Mary Sisk, and her family. Our thoughts and prayers go out to the Sisk family and we ask everyone to remember them during this difficult time. The district will help Mountain Gap Middle School this week with additional counselors and other resources for any students and staff who need support during this time.”