Fort Zumwalt South High School (FZS) is in the Fort Zumwalt School District in Saint Peters, Missouri, United States. In 1987, FZS was the second high school to be founded in the Fort Zumwalt District (after Fort Zumwalt North). Its students are mostly white middle class, although the small minority population in the area is growing. There are many extracurricular activities offered, including basketball, soccer, swimming, volleyball, football, marching band, choir, National Honors Society, and other sport, academic, and arts activities. FZS participates in the A+ program.