Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Shooting Reported at Maryland High School by VOA News A shooting has been reported at a high school in the state of Maryland. The campus of Great Mills High School is on lockdown. The school is located in southern Maryland, about 109 kilometers from Washington. St. Mary's County Public Schools said the "event is contained" and that the Sheriff's office is at the scene.