Cobb County
Georgia's Cobb County runs 129 public K-12 schools between its districts, the largest being Cobb County Public Schools at 105,738 students. That works out to 78 elementary, 29 middle, and 20 high schools.
7-year change in Cobb County
SY 2017-18 vs SY 2024-25County vs. school enrollment demographics
Left bar is the racial makeup of Cobb County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
Test scores in Cobb County
Latest 2024-25 ELA proficiency, 101 schools ranked. Georgia state average: 40.1%.
- Riverside Elementary School· 16.1%
- Belmont Hills Elementary School· 17.0%
- Green Acres Elementary School· 18.1%
- Norton Park Elementary School· 19.5%
- Brumby Elementary School· 20.0%
Cities in Cobb County
About Cobb County
Across the wide-reaching Georgia county of Cobb County of about 775,208 residents, the public-school footprint covers 129 schools and about 116,609 students.
Zooming out, census numbers show the median household earns about $102,738 a year, about 51% of adults have a bachelor's degree or above, and the federal-poverty share is near 6%. That income level is 64% meaningfully above the Georgia median.
For a sense of the school types, Cobb County spans 78 elementary schools (50,523 students), 29 middle schools (26,570), 20 high schools (38,664), and 2 combined or other schools.
The largest single district in Cobb County is Cobb County Public Schools, which alone enrolls about 105,738 students.
Over the past 7-year window. Combined enrollment now sits at 116,609 students, shrank 4% from the 121,572 reported in SY 2017-18. The school count climbed from 124 to 129 across the same 7-year window. Demographically, the White share of enrollment declined from 36% to 31%.
Within the allk12 community for this area, the community for Cobb County discusses sports rivalries, cross-district programs, and shared facilities. Discussions cut across districts, schools, and grade levels.