Cobb County School District | 23,459 followers on LinkedIn. ONE TEAM, ONE GOAL, STUDENT SUCCESS! | The COBB COUNTY SCHOOL DISTRICT is a public school system with administrative offices based at 514 Glover St., Marietta, GA 30060. Cobb County School District (CCSD) is the second largest school system in Georgia. CCSD is responsible for educating more than 112,000 students in a diverse, constantly changing suburban environment.