The Coatesville Area School District (CASD) covers the City of Coatesville, the Boroughs of Modena and South Coatesville and Caln Township, East Fallowfield Township, Sadsbury Township, Valley Township, West Brandywine Township and West Caln Township in Chester County, Pennsylvania. The district operates Coatesville Area High School (10th-12th), 8/9 Center (8th-9th), North Brandywine Middle School (7th grade), Scott Middle School (6th Grade), Caln Elementary School (closing scheduled) (K-5th), East Fallowfield Elementary School (closing scheduled) (K-5th), King's Highway Elementary School (K-5th), Rainbow Elementary School (K-5th) and Reeceville Elementary School (K-5th).

Coatesville School District resides in the only city in Chester County (the richest county in Pennsylvania). The district has long been the center of the Coatesville community and prides itself as being “Rich in Diversity”. Not only is Coatesville the most diverse school district in Chester County, but it also ranked second in the state and 26th nationwide.

Coatesville's Athletic Programs are ranked top 10 in Pennsylvania (2019).