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.

St. Clair Area School District has an extensive staff for hearing-impaired students.

The Schuylkill Intermediate Unit IU 29 provides the school with a wide variety of services like specialized education for disabled students and hearing, speech and visual disability services and professional development for staff and faculty.