Sprayberry High School is a public high school located in northeastern Cobb County in Marietta, Georgia, United States, a north-northwestern suburb of metro Atlanta. It is a comprehensive senior high school with approximately 1700 students. It opened in 1952 and moved to its current location at 2525 Sandy Plains Road in 1973. Sprayberry is a microcosm of Cobb County in that it serves students from a variety of ethnic groups, religions, socio-economic levels, and academic abilities Middle schools feeding upcoming students into Sprayberry are McCleskey, Daniell, and Simpson in the Cobb County School District. The school's teams are called the Yellowjackets.

The Walker School, formerly known as the Joseph T. Walker School, is a private school in Marietta, Georgia, United States, on Cobb Parkway in what was originally Sprayberry High School. It was founded in 1957 as the St. James Day School at St. James Episcopal Church near the Marietta square. In 1972 the school became an independent body as the Joseph T. Walker School. The school teaches students in pre-kindergarten through 12th grade at the same location.