Cobb County School District

514 Glover Street
Marietta, GA 30061
(District boundaries shown in map)
9/
10
Top 20%

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 2024-25 school year, there is 1 public charter school serving 2,646 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 39% of the student body (majority Asian), which is less than the Georgia public charter school average of 67% (majority Black).

Overview

This School District
This State (GA)
# Schools
110 Schools
98 Schools
# Students
106,703 Students
70,537 Students
# Teachers
7,370 Teachers
4,492 Teachers
Student : Teacher Ratio
14:1
14:1

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.
This School District
State Average (GA)
#30 out of 222 school districts
(Top 20%)
This chart displays the overall district rank of Cobb County  School District, with the latest 2021-22 school year data.
47%
37%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Math of Cobb County  School District and the percentage of public school students that scored at or above 'proficient' levels in Math of Georgia by year, with the latest 2021-22 school year data.
50%
40%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Cobb County  School District and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Georgia by year, with the latest 2021-22 school year data.
47%
40%
This chart displays the percentage of public school students that scored at or above 'proficient' levels in Science of Cobb County  School District and the percentage of public school students that scored at or above 'proficient' levels in Science of Georgia by year, with the latest 2021-22 school year data.
87%
84%
This chart displays public school graduation rate of Cobb County  School District and public school graduation rate of Georgia by year, with the latest 2021-22 school year data.

Students by Ethnicity:

0.74
0.65
# American Indian Students
243 Students
209 Students
% American Indian Students
n/a
n/a
# Asian Students
6,225 Students
2,450 Students
% Asian Students
6%
4%
# Hispanic Students
26,783 Students
6,607 Students
% Hispanic Students
25%
9%
# Black Students
32,073 Students
34,212 Students
% Black Students
30%
49%
# White Students
35,852 Students
22,943 Students
% White Students
34%
33%
# Hawaiian Students
76 Students
102 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
5,451 Students
3,446 Students
% of Two or more races Students
5%
5%

Students by Grade:

# Students in PK Grade:
817
238
# Students in K Grade:
7,039
5,071
# Students in 1st Grade:
7,489
5,393
# Students in 2nd Grade:
7,550
5,327
# Students in 3rd Grade:
7,617
5,160
# Students in 4th Grade:
7,571
4,956
# Students in 5th Grade:
7,806
5,141
# Students in 6th Grade:
8,055
5,833
# Students in 7th Grade:
8,218
5,802
# Students in 8th Grade:
8,505
5,729
# Students in 9th Grade:
10,205
6,032
# Students in 10th Grade:
9,436
5,985
# Students in 11th Grade:
7,856
4,964
# Students in 12th Grade:
8,539
4,906
# Ungraded Students:
-
-

District Revenue and Spending

The revenue/student of $14,784 is higher than the state median of $14,266. The school district revenue/student has grown by 10% over four school years.
The school district's spending/student of $13,648 is higher than the state median of $13,395. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (GA)
Total Revenue
$1,578 MM
$24,999 MM
This chart displays total revenue of Cobb County  School District and median value from total revenues of all school districts in Georgia by year, with the latest 2020-21 school year data.
Spending
$1,456 MM
$23,473 MM
This chart displays total spending of Cobb County  School District and median value from total spendings of all school districts in Georgia by year, with the latest 2020-21 school year data.
Revenue / Student
$14,784
$14,266
This chart displays average revenue per public school student in Cobb County  School District and average revenue per public school student of all school districts in Georgia by year, with the latest 2020-21 school year data.
Spending / Student
$13,648
$13,395
This chart displays average spending per public school student in Cobb County  School District and average spending per public school student of all school districts in Georgia by year, with the latest 2020-21 school year data.

Best Cobb County School District Public Charter Schools (2024-25)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Walton High School
Magnet School
Charter School
(Math: 80% | Reading: 89%)
Rank:
10/
10
Top 5%
1590 Bill Murdock Rd
Marietta, GA 30062
(770) 578-3225
Grades: 9-12
| 2,646 students

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Quick Stats (2024-25)

  • District size: 110 schools
  • Grades: PK-12
  • Enrollment: 106,703 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 66%
  • : 87% (Btm 50% in GA)
  • : Top 20%
  • : 47% (Top 20%)
  • : 50% (Top 20%)
  • : 47% (Top 30%)
  • Source: National Center for Education Statistics (NCES), GA Dept. of Education

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