FMHS may refer to: Fayetteville-Manlius High School, a public high school in Manlius, New York, USA Flower Mound High School, a public high school in Flower Mound, Texas, USA Fort Mill High School, a public high school in Fort Mill, South Carolina, USA Fort Myers Senior High School, a public high school in Fort Myers, Florida, USA Frank McCourt High School, a public high school in New York City, New York, USA Frenship Memorial High School, a public high school in Lubbock, Texas, USA Fruita Monument High School, a public high school in Fruita, Colorado, USA