The St. Clair Area School District is a diminutive, suburban public school district in Schuylkill County, Pennsylvania. Centered on the borough of St. Clair, it also encompasses the boroughs of Middleport and New Philadelphia, plus the townships of Blythe Township, New Castle Township, and East Norwegian Township. The district is one of the 500 public school districts of Pennsylvania. Saint Clair Area School District encompasses approximately 48 square miles (120 km2). According to 2000 federal census data, it served a resident population of 7,020. By 2010, the U.S. Census Bureau reported that the district's resident population declined to 6,695 people. The educational attainment levels for the St. Clair Area School District population (25 years old and over) were 82.6% high school graduat