Florence Unified School District
The Florence Unified School District is a school district serving grades K-12 in Florence and San Tan Valley, Arizona. Elementary schools. Florence USD elementary schools serve grades K-8. High schools. The district operates three high schools: Florence High School, San Tan Foothills High School, and Poston Butte High School. Alternative Schools. The district also operates one Alternative School, Mountain Vista Academy, that includes online courses for credit recovery and programs for students with disabilities.