Schools in Marietta City · Cobb County

About schools in Cobb County

Few Georgia counties can match Cobb's depth of high-performing public schools — 51 of its 120 ranked schools land in the state's top quartile, a ratio that reflects consistent academic strength across a large, suburban system. Spread across Marietta, Kennesaw, Smyrna, and Powder Springs, the county spans five districts and a wide range of school types, from specialized programs to comprehensive neighborhood schools. Marietta Center for Advanced Academics and Dickerson Middle School both score at the 100th percentile statewide, while Walton High School sits at the 99th — making this a county worth serious attention for families prioritizing academic outcomes.