Orchard Farm High School is a public high school in St. Charles, Missouri that is part of the Orchard Farm School District. The school serves the towns of West Alton and Portage Des Sioux as well as parts of the city of St. Charles and St. Charles County. Orchard Farm High School is located approximately 7 miles north of Highway 370 along Highway 94. OFHS serves students from St. Charles, Orchard Farm, Portage Des Sioux, West Alton, Machens and Black Walnut.