Stanhope Elmore High School is a grades 9–12 school in Millbrook, Alabama, United States. As part of the Elmore County Public School System, the school is the Home of the Mustangs, Foshee-Henderson Stadium, and the Pride of Millbrook Marching Band.

Millbrook is a city in Autauga and Elmore counties in the U.S. state of Alabama. The population was 16,564 at the 2020 census, up from 14,640 in 2010. It is part of the Montgomery Metropolitan Statistical Area.