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 42% 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 51% 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 | 2,685 students Student-teacher ratio: 19:1 Minority enrollment: 40%
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 | 728 students Student-teacher ratio: 14:1 Minority enrollment: 43%
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 | 301 students Student-teacher ratio: 11:1
Rank: n/an/a
Destinations Career Academy Of Georgia (Virtual)
Charter School
1700 Water Pl Se
Atlanta, GA 30339
(855) 572-1486
Atlanta, GA 30339
(855) 572-1486
Gr: 6-9 | 605 students Student-teacher ratio: 28:1 Minority enrollment: 68%
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 | 194 students Student-teacher ratio: 14:1 Minority enrollment: 95%
Cobb County Public Schools (Closed)
School
Location
Quick Facts
Alternative Education Centerlanguage Academytran (Closed 2009)
Alternative School
1550 Pebblebrook Circle
Mableton, GA 30126
(770) 426-3300
Mableton, GA 30126
(770) 426-3300
Central Alternative School (Closed 2009)
Alternative School
1550 Pebblebrook Circle
Mableton, GA 30126
(770) 426-3300
Mableton, GA 30126
(770) 426-3300
Cobb-douglas Psychoeducational Program (Closed 2023)
Alternative School
1595 Hawthorne Ave Se
Smyrna, GA 30080
(770) 319-3751
Smyrna, GA 30080
(770) 319-3751
Fitzhugh Lee Transitional Learning Center (Closed 2009)
Alternative School
4400 South Atlanta Road
Smyrna, GA 30080
(770) 426-3300
Smyrna, GA 30080
(770) 426-3300
Haven Hawthorne Center (Closed 2023)
Special Education School
1595 Hawthorne Ave Se
Smyrna, GA 30080
(678) 842-6943
Smyrna, GA 30080
(678) 842-6943
6688 Mableton Parkway Se
Mableton, GA 30126
(678) 391-7710
Mableton, GA 30126
(678) 391-7710
Gr: K-8 | 609 students Student-teacher ratio: 20:1 Minority enrollment: 99%
Kennesaw Charter School (Closed 2023)
Charter School
3010 Cobb Pkwy Nw
Kennesaw, GA 30152
(678) 290-9628
Kennesaw, GA 30152
(678) 290-9628
Gr: K-5
Marietta Charter School (Closed 2012)
Charter School
377 Henry Dr Sw
Marietta, GA 30064
(770) 590-4430
Marietta, GA 30064
(770) 590-4430
Gr: K-5 | 220 students Student-teacher ratio: 17:1 Minority enrollment: 89%
Martha J. Moore Transitional Learning Center (Closed 2009)
Alternative School
6997 Keene Street
Mableton, GA 30126
(770) 426-3300
Mableton, GA 30126
(770) 426-3300
Nelson L. Price Treatment Center Of Gbch & Fm- Inc (Closed 2014)
Alternative School
729 Lawrence St Ne
Marietta, GA 30060
(770) 514-8255
Marietta, GA 30060
(770) 514-8255
Gr: 9-12 | 6 students Student-teacher ratio: 3:1 Minority enrollment: 67%
1560 Joyner Ave Se
Marietta, GA 30060
(678) 594-8240
Marietta, GA 30060
(678) 594-8240
Gr: 9-12 | 145 students Student-teacher ratio: 13:1 Minority enrollment: 71%
5805 Dunn Rd Sw
Mableton, GA 30126
(770) 819-2584
Mableton, GA 30126
(770) 819-2584
Gr: PK-5 | 396 students Student-teacher ratio: 11:1 Minority enrollment: 83%
Woods-wilkins Alternative Center Plc (Closed 2012)
Alternative School
350 Lemon St Ne
Marietta, GA 30060
(770) 429-3188
Marietta, GA 30060
(770) 429-3188
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 51% 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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