Duquesne City School District is a tiny, suburban public school district in the state of Pennsylvania. It is located in the east hills of Allegheny County, and serves the City of Duquesne (upwards of 7,000 residents), a former mill town on the banks of the Monongahela River. Duquesne City School District encompasses approximately 2 square miles. Per 2000 federal census data, it served a resident population of 7,352. According to 2010 federal census data, the resident population declined sharply to 5,566 people. The educational attainment levels for the Duquesne City School District population (25 years old and over) were 89.5% high school graduates and 9.2% college graduates.