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%)
Math Proficiency
Highest math proficiency (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 2025 school year, there is 1 public charter school serving 2,685 students in Cobb County School District. This district's average charter testing ranking is 10/10, which is in the top 5% of public charter schools in Georgia.
Public Charter School in Cobb County School District have an average math proficiency score of 80% (versus the Georgia public charter school average of 32%), and reading proficiency score of 89% (versus the 42% statewide average).
Minority enrollment is 40% of the student body (majority Asian), which is less than the Georgia public charter school average of 69% (majority Black).
Overview
This School District
This State (GA)
# Schools
110 Schools
107 Schools
# Students
106,358 Students
75,266 Students
# Teachers
7,431 Teachers
4,735 Teachers
Student : Teacher Ratio
14:1
14:1
Student By Grade
District Rank
Cobb County School District, which is ranked within the top 20% of all 222 school districts in Georgia (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 87% has increased from 84% over five school years.
Overall District Rank
#30 out of 222 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
47%
37%
Reading/Language Arts Test Scores (% Proficient)
50%
40%
Science Test Scores (% Proficient)
47%
40%
Graduation Rate
87%
84%
Students by Ethnicity:
Diversity Score
0.74
0.65
% American Indian
n/a
n/a
% Asian
6%
4%
% Hispanic
26%
11%
% Black
30%
49%
% White
33%
31%
% Hawaiian
n/a
n/a
% Two or more races
5%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,832 is higher than the state median of $14,305. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $13,692 is higher than the state median of $13,431. 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
$14,832
$14,305
Spending / Student
$13,692
$13,431
Best Cobb County School District Public Charter Schools (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
Recent Articles
Segregation in K-12 Education: Colonial Era
Explore the origins of educational segregation during the colonial era and the differential treatment of Native American, African American, and white students. This article delves into the historical context, policies, and societal attitudes that shaped early education in colonial America, highlighting the disparities and injustices that persisted within the schooling systems of that time.
2011 Classroom Size Update: Are Classes Still Growing Larger?
Since the recession, public school classrooms have seen major budget cuts - and many increases in class sizes. How is the situation in 2011? Read this article to find out.
Will Single Sex Classrooms Save Public Schools?
Learn about the benefits of single sex classrooms and why public schools are hoping this type of classroom will save the American school system.
