The Chicago Public High School Athletic Association, commonly known as the Chicago Public League (CPL), is the interscholastic competition arm of the Chicago Public Schools. The governance of the CPL is set through the Department of Sports Administration and Facilities of CPS.

Chicago Public Schools (CPS), officially classified as City of Chicago School District #299 for funding and districting reasons, in Chicago, Illinois, is the fourth-largest school district in the United States, after New York, Los Angeles, and Miami-Dade County. For the 2020–21 school year, CPS reported overseeing 638 schools, including 476 elementary schools and 162 high schools; of which 513 were district-run, 115 were charter schools, 9 were contract schools and 1 was a SAFE school. The district serves 340,658 students. Chicago Public School students attend a particular school based on their area of residence, except for charter, magnet, and selective enrollment schools.