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 2026 school year, there is 1 public charter school serving 2,705 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 33%), and reading proficiency score of 89% (versus the 43% statewide average).
Minority enrollment is 42% 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
104 Schools
# Students
105,738 Students
73,019 Students
# Teachers
7,477 Teachers
4,808 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 219 school districts in Georgia (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 88% has increased from 85% over five school years.
Overall District Rank
#32 out of 222 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
47%
39%
Reading/Language Arts Test Scores (% Proficient)
50%
40%
Science Test Scores (% Proficient)
47%
40%
Graduation Rate
88%
84%
Students by Ethnicity:
Diversity Score
0.74
0.65
% American Indian
n/a
n/a
% Asian
6%
4%
% Hispanic
27%
11%
% Black
29%
49%
% White
32%
31%
% Hawaiian
n/a
n/a
% Two or more races
6%
5%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,919 is higher than the state median of $14,327. The school district revenue/student has grown by 11% over four school years.
The school district's spending/student of $13,772 is higher than the state median of $13,452. 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
$14,919
$14,327
Spending / Student
$13,772
$13,452
Best Cobb County School District Public Charter Schools (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%
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