Fulton High School, or FHS, is a public four-year high school located in Fulton, Illinois, a small city in Whiteside County, Illinois.

The school serves a mixed small city, village, and rural residential community.

The school lies within the Sterling micropolitan statistical area.

[5] In 2009, Fulton High School did not make Adequate Yearly Progress, with 57% of students meeting standards, on the Prairie State Achievement Examination, a state test that is part of the No Child Left Behind Act.

[7] The school has 2 state championships on record in team athletics or activities, both in Boys Football in 1976-77 and 1991-92.