Central Bucks High School South, also known as CB South, is a public high school serving students in tenth through twelfth grades, one of three high schools in the Central Bucks School District. The school is located in Warrington, Pennsylvania in Bucks County.

The Central Bucks School District (CBSD) is a school district located in Pennsylvania and the third-largest school district in the state. The district covers the Boroughs of Chalfont, Doylestown and New Britain and Buckingham Township, Doylestown Township, Plumstead Township, Warrington Township, Warwick Township, and most of New Britain Township, in Bucks County. More than 3,000 staff serve more than 17,000 students in fifteen elementary schools, five middle schools, and three high schools. There is a 99% graduation rate and over 280 extracurricular activities. Dr. Charles Malone serves as Acting Superintendent.