For the 2026 school year, there are 5 public charter schools serving 4,513 students in Cobb County, GA. The top-ranked public charter schools in Cobb County, GA are Walton High School, Northwest Classical Academy and International Academy Of Smyrna. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cobb County, GA public charter schools have an average math proficiency score of 51% (versus the Georgia public charter school average of 33%), and reading proficiency score of 70% (versus the 43% statewide average). Charter schools in Cobb County have an average ranking of 10/10, which is in the top 10% of Georgia public charter schools.
Minority enrollment is 50% of the student body (majority Black and Asian), which is less than the Georgia public charter school average of 69% (majority Black).
Best Public Charter Schools in Cobb County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Walton High School
Charter School
(Math: 80% | Reading: 89%)
Rank:
Rank:
10/
Top 5%10
1590 Bill Murdock Rd
Marietta, GA 30062
(770) 578-3225
Marietta, GA 30062
(770) 578-3225
Gr: 9-12 | 2,705 students Student-teacher ratio: 19:1 Minority enrollment: 42%
Rank: #22.
Northwest Classical Academy
Charter School
(Math: 51% | Reading: 51%)
Rank:
Rank:
8/
Top 30%10
3010 Cobb Parkway North
Kennesaw, GA 30152
(470) 502-9700
Kennesaw, GA 30152
(470) 502-9700
Gr: K-12 | 798 students Student-teacher ratio: 13:1 Minority enrollment: 42%
Rank: #33.
International Academy Of Smyrna
Charter School
(Math: 30-34% | Reading: 30-34%)
Rank:
Rank:
5/
Bottom 50%10
2144 S Cobb Dr Se
Smyrna, GA 30080
(678) 370-0980
Smyrna, GA 30080
(678) 370-0980
Gr: K-5 | 328 students Student-teacher ratio: 12:1 Minority enrollment: 99%
Rank: n/an/a
Amana Academy West Atlanta
Charter School
2200 Lake Park Drive Se
Smyrna, GA 30080
(478) 624-0989
Smyrna, GA 30080
(478) 624-0989
Gr: K-8 | 215 students Student-teacher ratio: 11:1 Minority enrollment: 86%
Rank: n/an/a
Miles Ahead Charter School
Charter School
4665 Macland Road
Powder Springs, GA 30127
(770) 313-4841
Powder Springs, GA 30127
(770) 313-4841
Gr: K-5 | 261 students Student-teacher ratio: 11:1 Minority enrollment: 93%
Frequently Asked Questions
What are the top-ranked public charter schools in Cobb County, GA?
The top-ranked public charter schools in Cobb County, GA include Walton High School, Northwest Classical Academy and International Academy Of Smyrna. Cobb County has one of the highest concentrations of top-ranked public schools in Georgia.
How many public charter schools are located in Cobb County?
5 public charter schools are located in Cobb County.
What is the racial composition of students in Cobb County?
Cobb County public charter schools minority enrollment is 50% of the student body (majority Black and Asian), which is less than the Georgia public charter schools average of 69% (majority Black).
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