Forrest County Agricultural High School (FCAHS) is a public, secondary school in Brooklyn, in unincorporated Forrest County, Mississippi (United States). The school provides education to grades 9–12. Forrest County AHS is the only independently functioning agricultural high school in the state of Mississippi. An independent school board operates FCAHS, which has its own farm and ranch. Those affiliated with the school are known as "Aggies."