Justice High School is a high school in the Lake Barcroft census-designated place, Virginia. The school is part of the Fairfax County Public Schools district. The school has a Falls Church address but is not located within the limits of the City of Falls Church. Per a vote of the county school board, the school was renamed Justice High School effective July 1, 2018.

The Fairfax County Public Schools system (FCPS) is a school division in the U.S. commonwealth of Virginia. It is a branch of the Fairfax County government which administers public schools in Fairfax County and the City of Fairfax. FCPS's headquarters is located in the Gatehouse Administration Center in Merrifield, an unincorporated section of the county near the city of Falls Church; the headquarters has a Falls Church address but is not within the city limits.