FRHS

FRHS may refer to:
 * Far Rockaway High School, in New York City, now closed
 * Fellow of the Royal Historical Society
 * Fellow of the Royal Horticultural Society
 * Fossil Ridge High School (Fort Collins, Colorado), United States
 * Fossil Ridge High School (Fort Worth, Texas), United States
 * Fremont Ross High School (Fremont, Ohio), United States