For the 2025 school year, there are 24 public high schools serving 40,816 students in Cobb County, GA. The top ranked public high schools in Cobb County, GA are Walton High School, Pope High School and Lassiter High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Cobb County, GA public high schools have an average math proficiency score of 45% (versus the Georgia public high school average of 33%), and reading proficiency score of 53% (versus the 42% statewide average). High schools in Cobb County have an average ranking of 10/10, which is in the top 10% of Georgia public high schools.
Cobb County, GA public high school have a Graduation Rate of 87%, which is more than the Georgia average of 85%.
The school with highest graduation rate is Harrison High School, with 97% graduation rate. Read more about public school graduation rate statistics in Georgia or national school graduation rate statistics.
Minority enrollment is 68% of the student body (majority Black), which is more than the Georgia public high school average of 65% (majority Black).
Best Public High Schools in Cobb County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
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
Grades: 9-12
| 2,685 students
Rank: #22.
Pope High School
(Math: 79% | Reading: 79%)
Rank:
Rank:
10/
Top 5%10
3001 Hembree Rd Ne
Marietta, GA 30062
(770) 578-7900
Marietta, GA 30062
(770) 578-7900
Grades: 9-12
| 1,758 students
Rank: #33.
Lassiter High School
(Math: 76% | Reading: 78%)
Rank:
Rank:
10/
Top 5%10
2601 Shallowford Rd
Marietta, GA 30066
(678) 494-7863
Marietta, GA 30066
(678) 494-7863
Grades: 9-12
| 1,949 students
Rank: #44.
Harrison High School
(Math: 70% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
4500 Due West Rd Nw
Kennesaw, GA 30152
(678) 594-8104
Kennesaw, GA 30152
(678) 594-8104
Grades: 9-12
| 2,170 students
Rank: #55.
Hillgrove High School
(Math: 67% | Reading: 66%)
Rank:
Rank:
10/
Top 10%10
4165 Luther Ward Rd
Powder Springs, GA 30127
(678) 331-3961
Powder Springs, GA 30127
(678) 331-3961
Grades: 9-12
| 2,290 students
Rank: #66.
Allatoona High School
(Math: 60% | Reading: 60%)
Rank:
Rank:
9/
Top 20%10
3300 Dallas Acworth Hwy Nw
Acworth, GA 30101
(770) 975-6503
Acworth, GA 30101
(770) 975-6503
Grades: 9-12
| 1,642 students
Rank: #77.
Northwest Classical Academy
Charter School
(Math: 55% | Reading: 51%)
Rank:
Rank:
9/
Top 20%10
3010 Cobb Parkway North
Kennesaw, GA 30152
(470) 502-9700
Kennesaw, GA 30152
(470) 502-9700
Grades: K-12
| 728 students
Rank: #88.
Kennesaw Mountain High School
(Math: 49% | Reading: 57%)
Rank:
Rank:
9/
Top 20%10
1898 Kennesaw Due West Rd Nw
Kennesaw, GA 30152
(678) 594-8190
Kennesaw, GA 30152
(678) 594-8190
Grades: 9-12
| 1,666 students
Rank: #99.
Wheeler High School
(Math: 53% | Reading: 50%)
Rank:
Rank:
9/
Top 20%10
375 Holt Rd Ne
Marietta, GA 30068
(770) 578-3266
Marietta, GA 30068
(770) 578-3266
Grades: 9-12
| 2,380 students
Rank: #1010.
Sprayberry High School
(Math: 48% | Reading: 52%)
Rank:
Rank:
8/
Top 30%10
2525 Sandy Plains Rd
Marietta, GA 30066
(770) 578-3200
Marietta, GA 30066
(770) 578-3200
Grades: 9-12
| 1,799 students
Rank: #1111.
Kell High School
(Math: 45% | Reading: 56%)
Rank:
Rank:
8/
Top 30%10
4770 Lee Waters Rd
Marietta, GA 30066
(678) 494-7844
Marietta, GA 30066
(678) 494-7844
Grades: 9-12
| 1,582 students
Rank: #1212.
North Cobb High School
(Math: 41% | Reading: 45%)
Rank:
Rank:
7/
Top 50%10
3400 Old 41 Hwy Nw
Kennesaw, GA 30144
(770) 975-6685
Kennesaw, GA 30144
(770) 975-6685
Grades: 9-12
| 2,521 students
Rank: #1313.
Marietta High School
(Math: 41% | Reading: 44%)
Rank:
Rank:
7/
Top 50%10
1171 Whitlock Ave Sw
Marietta, GA 30064
(770) 428-2631
Marietta, GA 30064
(770) 428-2631
Grades: 9-12
| 2,654 students
Rank: #1414.
Campbell High School
(Math: 29% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
925 Powder Springs St
Smyrna, GA 30080
(678) 842-6850
Smyrna, GA 30080
(678) 842-6850
Grades: 9-12
| 3,030 students
Rank: #1515.
Fulton Academy Of Virtual Excellence
(Math: 27% | Reading: 48%)
Rank:
Rank:
6/
Top 50%10
6151 Powers Ferry Road Nw
Atlanta, GA 30339
(470) 254-4578
Atlanta, GA 30339
(470) 254-4578
Grades: 2-12
| 464 students
Rank: #1616.
Mceachern High School
(Math: 37% | Reading: 36%)
Rank:
Rank:
6/
Top 50%10
2400 New Macland Rd
Powder Springs, GA 30127
(770) 222-3710
Powder Springs, GA 30127
(770) 222-3710
Grades: 9-12
| 2,300 students
Rank: #1717.
South Cobb High School
(Math: 32% | Reading: 39%)
Rank:
Rank:
6/
Top 50%10
1920 Clay Rd
Austell, GA 30106
(770) 819-2611
Austell, GA 30106
(770) 819-2611
Grades: 9-12
| 2,137 students
Rank: #1818.
Cobb Horizon High School
(Math: 22% | Reading: 36%)
Rank:
Rank:
5/
Bottom 50%10
1765 The Exchange Se
Atlanta, GA 30339
(678) 594-8240
Atlanta, GA 30339
(678) 594-8240
Grades: 6-12
| 1,027 students
Rank: #1919.
Pebblebrook High School
(Math: 30% | Reading: 29%)
Rank:
Rank:
4/
Bottom 50%10
991 Old Alabama Rd Sw
Mableton, GA 30126
(770) 819-2521
Mableton, GA 30126
(770) 819-2521
Grades: 9-12
| 2,574 students
Rank: #2020.
Osborne High School
(Math: 15% | Reading: 27%)
Rank:
Rank:
3/
Bottom 50%10
2451 Favor Rd Sw
Marietta, GA 30060
(770) 437-5900
Marietta, GA 30060
(770) 437-5900
Grades: 9-12
| 2,773 students
Rank: #2121.
Devereux Ackerman Academy
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
1291 Stanley Rd Nw
Kennesaw, GA 30152
(770) 427-0147
Kennesaw, GA 30152
(770) 427-0147
Grades: K-12
| 64 students
Rank: #2222.
George W. Hartmann Center
(Math: <50% | Reading: ≥50% )
Rank:
Rank:
1/
Bottom 50%10
729 Lawrence St Ne
Marietta, GA 30060
(770) 971-7801
Marietta, GA 30060
(770) 971-7801
Grades: 6-12
| 4 students
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
Grades: 6-9
| 605 students
Rank: n/an/a
Marietta Regional Youth Detention Center
Alternative School
1575 County Services Pkwy Sw
Marietta, GA 30008
(770) 528-4247
Marietta, GA 30008
(770) 528-4247
Grades: 5-12
| 14 students
Cobb County Public Schools (Closed)
School
Location
Grades
Students
Alternative Education Centerlanguage Academytran (Closed 2009)
Alternative School
1550 Pebblebrook Circle
Mableton, GA 30126
(770) 426-3300
Mableton, GA 30126
(770) 426-3300
Grades: n/a
| n/a students
3265 Brown Rd Se
Smyrna, GA 30080
(678) 842-6838
Smyrna, GA 30080
(678) 842-6838
Grades: n/a
| n/a students
Central Alternative School (Closed 2009)
Alternative School
1550 Pebblebrook Circle
Mableton, GA 30126
(770) 426-3300
Mableton, GA 30126
(770) 426-3300
Grades: n/a
| n/a students
730 Boggs Rd Sw
Mableton, GA 30126
(770) 819-2430
Mableton, GA 30126
(770) 819-2430
Grades: PK-5
| n/a students
Cobb-douglas Psychoeducational Program (Closed 2023)
Alternative School
1595 Hawthorne Ave Se
Smyrna, GA 30080
(770) 319-3751
Smyrna, GA 30080
(770) 319-3751
Grades: n/a
| n/a students
4400 West Atlanta Rd Se
Smyrna, GA 30080
(678) 842-6899
Smyrna, GA 30080
(678) 842-6899
Grades: n/a
| n/a students
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
Grades: n/a
| n/a students
Haven Hawthorne Center (Closed 2023)
Special Education School
1595 Hawthorne Ave Se
Smyrna, GA 30080
(678) 842-6943
Smyrna, GA 30080
(678) 842-6943
Grades: n/a
| n/a students
6688 Mableton Parkway Se
Mableton, GA 30126
(678) 391-7710
Mableton, GA 30126
(678) 391-7710
Grades: K-8
| 609 students
Kennesaw Charter School (Closed 2023)
Charter School
3010 Cobb Pkwy Nw
Kennesaw, GA 30152
(678) 290-9628
Kennesaw, GA 30152
(678) 290-9628
Grades: K-5
| n/a students
Marietta Charter School (Closed 2012)
Charter School
377 Henry Dr Sw
Marietta, GA 30064
(770) 590-4430
Marietta, GA 30064
(770) 590-4430
Grades: K-5
| 220 students
6997 Kenne St
Kennesaw, GA 30144
(770) 514-3889
Kennesaw, GA 30144
(770) 514-3889
Grades: n/a
| n/a students
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
Grades: n/a
| n/a students
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
Grades: 9-12
| 6 students
1560 Joyner Ave Se
Marietta, GA 30060
(678) 594-8240
Marietta, GA 30060
(678) 594-8240
Grades: 9-12
| 145 students
5805 Dunn Rd Sw
Mableton, GA 30126
(770) 819-2584
Mableton, GA 30126
(770) 819-2584
Grades: PK-5
| 396 students
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
Grades: n/a
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in Cobb County, GA?
The top ranked public high schools in Cobb County, GA include Walton High School, Pope High School and Lassiter High School. Cobb County has one of the highest concentrations of top ranked public schools in Georgia.
How many public high schools are located in Cobb County?
24 public high schools are located in Cobb County.
What is the racial composition of students in Cobb County?
Cobb County public high schools minority enrollment is 68% of the student body (majority Black), which is more than the Georgia public high schools average of 65% (majority Black).
Which public high schools in Cobb County are often viewed compared to one another?
Popular comparisons of public high schools in Cobb County include: Pope High School vs. Lassiter High School, Allatoona High School vs. Harrison High School, North Cobb High School vs. Kennesaw Mountain High School
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