Clairton High School (CHS) was a Class AAA competitor in the Western Pennsylvania Interscholastic Athletic League (WPIAL) in the 1950s and 1960s.

In 1988, the Clairton School District consolidated all schools into a single building, a remodeled version of the high school.

The Clairton City School District is a public school district in Allegheny County, Pennsylvania. It serves the City of Clairton and includes Clairton Elementary School (K-6th) and Clairton Middle School High School (7th-12th). The district's mascot is the Bear.

The Clairton City School District is a diminutive, suburban, public school district. The Clairton City School District encompasses approximately 1-square-mile (2.6 km2) serving the City of Clairton in Allegheny County, Pennsylvania. According to 2000 federal census data, it served a resident population of 8,491. By 2010, the district's population declined to 6,797 people. In 2009, Clairton City School District residents' per capita income was $14,608, while the median family income was $31,539. In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.

Clairton City School District operates Clairton Middle School High School (7th-12th) and Clairton Elementary School (K-6th) both housed in a single building.