FSHS

FSHS may refer to:


 * Father, Son, and Holy Spirit

Schools

 * Fairfax Senior High School, in Los Angeles, California, United States
 * Fairmont Senior High School, in Fairmont, West Virginia, United States
 * Fargo South High School, in Fargo, North Dakota, United States
 * Fort Saskatchewan Senior High School, in Fort Saskatchewan, Alberta, Canada
 * Fort Stockton High School, in Fort Stockton, Texas, United States
 * Fort Street High School, in Sydney, New South Wales, Australia
 * Franklin Senior High School (Louisiana), in Franklin, Louisiana
 * Franklin-Simpson High School, in Franklin, Kentucky, United States
 * Fremont Senior High School (Nebraska), in Fremont, Nebraska, United States
 * Lawrence Free State High School, in Lawrence, Kansas, United States
 * National Fengshan Senior High School, in Fengshan District, Kaohsiung City, Taiwan