(Gresham, OR) -- Gresham Police are asking for help finding a missing 15-year-old girl. Gracie Hall was last seen at Gresham High School when she left Tuesday morning. She's White with brown hair, five-feet six-inches tall, and weighs 130 pounds. She was wearing a blue hoodie with palm trees, blue jeans, and black and white Nike shoes. She's missing her medication. If you've seen her, contact Gresham Police.