Top Rankings
Cobb County School District ranks among the top 20% of public school district in Georgia for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2024 school year, there are 18 public high schools serving 36,361 students in Cobb County School District. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in Georgia.
Public High Schools in Cobb County School District have an average math proficiency score of 28% (versus the Georgia public high school average of 24%), and reading proficiency score of 35% (versus the 32% statewide average).
Public High School in Cobb County School District 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 98% graduation rate. Read more about public school graduation rate statistics in Georgia or national school graduation rate statistics.
Minority enrollment is 64% of the student body (majority Black), which is more than the Georgia public high school average of 62% (majority Black).
Overview
2021-2022 School Year Data
This School District
This State (GA)
# Schools
110 Schools
521 Schools
# Students
106,970 Students
569,146 Students
# Teachers
7,289 Teachers
33,706 Teachers
Student : Teacher Ratio
15:1
15:1
District Rank
Cobb County School District, which is ranked within the top 20% of all 220 school districts in Georgia (based off of combined math and reading proficiency testing data) for the 2020-2021 school year.
The school district's graduation rate of 87% has increased from 84% over five school years.
Overall District Rank
#44 out of 221 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
39%
36%
Reading/Language Arts Test Scores (% Proficient)
45%
39%
Graduation Rate
87%
84%
Students by Ethnicity:
Diversity Score
0.73
0.70
# American Indian Students
238 Students
1,146 Students
% American Indian Students
n/a
n/a
# Asian Students
6,241 Students
25,364 Students
% Asian Students
6%
4%
# Hispanic Students
26,153 Students
96,392 Students
% Hispanic Students
25%
17%
# Black Students
32,283 Students
207,638 Students
% Black Students
30%
37%
# White Students
36,843 Students
216,687 Students
% White Students
34%
38%
# Hawaiian Students
86 Students
647 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
5,126 Students
21,156 Students
% of Two or more races Students
5%
4%
Students by Grade:
# Students in PK Grade:
767
328
# Students in K Grade:
7,112
1,299
# Students in 1st Grade:
7,389
1,429
# Students in 2nd Grade:
7,593
1,464
# Students in 3rd Grade:
7,448
1,744
# Students in 4th Grade:
7,701
1,914
# Students in 5th Grade:
7,935
2,429
# Students in 6th Grade:
8,050
4,172
# Students in 7th Grade:
8,384
5,008
# Students in 8th Grade:
8,675
8,733
# Students in 9th Grade:
10,385
160,653
# Students in 10th Grade:
8,950
137,060
# Students in 11th Grade:
7,920
125,123
# Students in 12th Grade:
8,661
117,790
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $14,747 is higher than the state median of $14,333. The school district revenue/student has grown by 9% over four school years.
The school district's spending/student of $13,614 is higher than the state median of $13,458. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$1,578 MM
$24,999 MM
Spending
$1,456 MM
$23,473 MM
Revenue / Student
$14,747
$14,333
Spending / Student
$13,614
$13,458
Best Cobb County School District Public High Schools (2024)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Walton High School
Charter School
(Math: 66% | Reading: 70-74%)
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
| 2,689 students
Rank: #22.
Pope High School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
3001 Hembree Rd Ne
Marietta, GA 30062
(770) 578-7900
Marietta, GA 30062
(770) 578-7900
Grades: 9-12
| 1,855 students
Rank: #33.
Harrison High School
(Math: 37% | Reading: 59%)
Rank:
Rank:
8/
Top 30%10
4500 Due West Rd Nw
Kennesaw, GA 30152
(678) 594-8104
Kennesaw, GA 30152
(678) 594-8104
Grades: 9-12
| 2,243 students
Rank: #44.
Hillgrove High School
(Math: 51% | Reading: 42%)
Rank:
Rank:
8/
Top 30%10
4165 Luther Ward Rd
Powder Springs, GA 30127
(678) 331-3961
Powder Springs, GA 30127
(678) 331-3961
Grades: 9-12
| 2,309 students
Rank: #55.
Lassiter High School
(Math: 35-39% | Reading: 50-59%)
Rank:
Rank:
8/
Top 30%10
2601 Shallowford Rd
Marietta, GA 30066
(678) 494-7863
Marietta, GA 30066
(678) 494-7863
Grades: 9-12
| 1,945 students
Rank: #66.
Kennesaw Mountain High School
(Math: 29% | Reading: 41%)
Rank:
Rank:
7/
Top 50%10
1898 Kennesaw Due West Rd Nw
Kennesaw, GA 30152
(678) 594-8190
Kennesaw, GA 30152
(678) 594-8190
Grades: 9-12
| 1,836 students
Rank: #77.
North Cobb High School
(Math: 26% | Reading: 38%)
Rank:
Rank:
6/
Top 50%10
3400 Old 41 Hwy Nw
Kennesaw, GA 30144
(770) 975-6685
Kennesaw, GA 30144
(770) 975-6685
Grades: 9-12
| 2,631 students
Rank: #88.
Allatoona High School
(Math: 26% | Reading: 35-39%)
Rank:
Rank:
6/
Top 50%10
3300 Dallas Acworth Hwy Nw
Acworth, GA 30101
(770) 975-6503
Acworth, GA 30101
(770) 975-6503
Grades: 9-12
| 1,747 students
Rank: #99.
Cobb Horizon High School
(Math: <50% | Reading: ≤20%)
Rank:
Rank:
6/
Top 50%10
3265 Brown Road
Smyrna, GA 30080
(678) 594-8240
Smyrna, GA 30080
(678) 594-8240
Grades: 6-12
| 1,107 students
Rank: #1010.
Wheeler High School
(Math: 25% | Reading: 36%)
Rank:
Rank:
6/
Top 50%10
375 Holt Rd Ne
Marietta, GA 30068
(770) 578-3266
Marietta, GA 30068
(770) 578-3266
Grades: 9-12
| 2,296 students
Rank: #1111.
Sprayberry High School
(Math: 22% | Reading: 34%)
Rank:
Rank:
5/
Bottom 50%10
2525 Sandy Plains Rd
Marietta, GA 30066
(770) 578-3200
Marietta, GA 30066
(770) 578-3200
Grades: 9-12
| 1,890 students
Rank: #1212.
Pebblebrook High School
(Math: 23% | Reading: 30%)
Rank:
Rank:
5/
Bottom 50%10
991 Old Alabama Rd Sw
Mableton, GA 30126
(770) 819-2521
Mableton, GA 30126
(770) 819-2521
Grades: 9-12
| 2,463 students
Rank: #1313.
Kell High School
(Math: 28% | Reading: 21%)
Rank:
Rank:
4/
Bottom 50%10
4770 Lee Waters Rd
Marietta, GA 30066
(678) 494-7844
Marietta, GA 30066
(678) 494-7844
Grades: 9-12
| 1,496 students
Rank: #1414.
Mceachern High School
(Math: 19% | Reading: 24%)
Rank:
Rank:
4/
Bottom 50%10
2400 New Macland Rd
Powder Springs, GA 30127
(770) 222-3710
Powder Springs, GA 30127
(770) 222-3710
Grades: 9-12
| 2,357 students
Rank: #1515.
South Cobb High School
(Math: 21% | Reading: 20%)
Rank:
Rank:
3/
Bottom 50%10
1920 Clay Rd
Austell, GA 30106
(770) 819-2611
Austell, GA 30106
(770) 819-2611
Grades: 9-12
| 1,997 students
Rank: #1616.
Devereux Ackerman Academy
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
1291 Stanley Rd Nw
Kennesaw, GA 30152
(770) 427-0147
Kennesaw, GA 30152
(770) 427-0147
Grades: 5-12
| 62 students
Rank: #1717.
Campbell High School
(Math: 20% | Reading: 16%)
Rank:
Rank:
3/
Bottom 50%10
5265 Ward St Se
Smyrna, GA 30080
(678) 842-6850
Smyrna, GA 30080
(678) 842-6850
Grades: 9-12
| 2,869 students
Rank: #1818.
Osborne High School
(Math: 9% | Reading: 12%)
Rank:
Rank:
2/
Bottom 50%10
2451 Favor Rd Sw
Marietta, GA 30060
(770) 437-5900
Marietta, GA 30060
(770) 437-5900
Grades: 9-12
| 2,569 students
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