Home > Georgia > Cobb County

Cobb County School District

Item: Cobb County School District
Rating: 9
Author: Public School Review

514 Glover Street
Marietta, GA 30061

( shown in map)

Top 20%

Tel: (770) 426-3300

Top Rankings

Cobb County School District ranks among the top 20% of public school district in Georgia for:

Overview

This School District

This State (GA)

# Schools

110 Schools

2,330 Schools

# Students

106,358 Students

1,747,653 Students

# Teachers

7,431 Teachers

121,051 Teachers

Student-Teacher Ratio

14:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Cobb County School District	Georgia
Pre-K	921	214
Kind	6,876	504
1	7,330	530
2	7,568	545
3	7,647	533
4	7,710	540
5	7,759	545
6	7,938	548
7	8,177	557
8	8,320	566
9	10,106	652
10	9,017	611
11	8,366	556
12	8,623	505

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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 2022-2023 school year.

The school district's graduation rate of 88% has increased from 85% over five school years.

This School District

State Average (GA)

#32 out of 222 school districts
(Top 20%)

View Data

Overall School District Rank Trends
Year	Cobb County School District
2023	#32
2022	#30
2021	#44
2019	#22
2018	#29
2017	#17
2016	#22
2015	#14
2014	#36
2013	#32
2012	#28

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

47%

39%

View Data

Math Proficiency Trends
Year	Cobb County School District	Georgia
2023	47%	39%
2022	47%	37%
2021	39%	36%
2019	54%	44%
2018	52%	42%
2017	51%	41%
2016	50%	41%
2015	46%	38%
2014	84%	79%
2013	89%	83%
2012	87%	81%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

50%

40%

View Data

Reading and Language Arts Proficiency Trends
Year	Cobb County School District	Georgia
2022	50%	40%
2021	45%	39%
2019	55%	45%
2018	52%	42%
2017	53%	41%
2016	51%	40%
2015	50%	39%
2014	97%	94%
2013	96%	93%
2012	96%	93%
2011	94%	91%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

47%

40%

View Data

Science Proficiency Trends
Year	Cobb County School District	Georgia
2022	47%	40%
2021	45%	38%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

88%

84%

View Data

Graduation Rate Trends
Year	Cobb County School District	Georgia
2023	88%	84%
2022	87%	84%
2021	87%	84%
2020	89%	85%
2019	87%	83%
2018	85%	83%
2017	84%	82%
2016	84%	81%
2015	81%	81%
2014	78%	75%
2013	77%	74%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.74

0.71

View Data

Comparison of Diversity Score Trends
Year	Cobb County School District	Georgia
2023	0.73	0.71
2022	0.73	0.70
2021	0.73	0.70
2020	0.72	0.69
2019	0.72	0.69
2018	0.71	0.68
2017	0.71	0.68
2016	0.70	0.68
2015	0.70	0.67
2014	0.70	0.67
2013	0.69	0.67
2012	0.69	0.66
2011	0.68	0.66
2010	0.66	0.65
2009	0.66	0.64
2008	0.65	0.64
2007	0.64	0.63
2006	0.64	0.61
2005	0.62	0.61
2004	0.58	0.59
2003	0.56	0.58
2002	0.54	0.57
2001	0.51	0.56
2000	0.48	0.55
1999	0.45	0.54
1998	0.43	0.54
1997	0.39	0.53
1996	0.37	0.52

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

n/a

% Asian

View Data

Asian Student Percentage Comparison Over Years (1996-2023)
Year	Cobb County School District	Georgia
2023	7%	5%
2022	6%	5%
2021	6%	5%
2020	6%	4%
2019	6%	4%
2018	6%	4%
2017	6%	4%
2016	5%	4%
2015	6%	4%
2014	5%	4%
2013	5%	4%
2012	5%	4%
2011	5%	4%
2010	6%	4%
2009	6%	4%
2008	6%	4%
2007	6%	4%
2006	5%	4%
2005	6%	4%
2004	4%	3%
2003	5%	3%
2002	4%	2%
2001	4%	2%
2000	3%	2%
1999	3%	2%
1998	3%	2%
1997	3%	2%
1996	3%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

26%

19%

View Data

Hispanic Student Percentage Comparison Over Years (1996-2023)
Year	Cobb County School District	Georgia
2023	25%	18%
2022	24%	18%
2021	24%	17%
2020	22%	16%
2019	22%	16%
2018	21%	15%
2017	21%	15%
2016	21%	15%
2015	19%	14%
2014	19%	13%
2013	18%	13%
2012	17%	12%
2011	17%	12%
2010	16%	11%
2009	16%	11%
2008	17%	11%
2007	15%	10%
2006	14%	9%
2005	12%	9%
2004	10%	7%
2003	9%	6%
2002	8%	6%
2001	7%	5%
2000	6%	4%
1999	5%	3%
1998	4%	3%
1997	3%	3%
1996	3%	2%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

30%

36%

View Data

Black Student Percentage Comparison Over Years (1996-2023)
Year	Cobb County School District	Georgia
2023	30%	36%
2022	31%	36%
2021	31%	36%
2020	31%	37%
2019	31%	37%
2018	32%	37%
2017	32%	37%
2016	32%	37%
2015	32%	37%
2014	32%	37%
2013	31%	37%
2012	31%	37%
2011	31%	37%
2010	32%	37%
2009	31%	39%
2008	30%	39%
2007	30%	39%
2006	31%	39%
2005	29%	38%
2004	28%	38%
2003	26%	38%
2002	25%	38%
2001	24%	38%
2000	22%	38%
1999	21%	38%
1998	20%	38%
1997	18%	37%
1996	17%	38%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

33%

35%

View Data

White Student Percentage Comparison Over Years (1996-2023)
Year	Cobb County School District	Georgia
2023	33%	36%
2022	34%	37%
2021	35%	38%
2020	37%	39%
2019	37%	39%
2018	38%	40%
2017	38%	40%
2016	39%	41%
2015	40%	42%
2014	41%	43%
2013	43%	43%
2012	44%	44%
2011	44%	44%
2010	46%	45%
2009	47%	46%
2008	47%	46%
2007	49%	47%
2006	50%	48%
2005	53%	49%
2004	58%	52%
2003	60%	53%
2002	63%	54%
2001	65%	55%
2000	69%	56%
1999	71%	57%
1998	73%	57%
1997	76%	58%
1996	77%	58%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Cobb County School District	Georgia
2023	5%	5%
2022	5%	4%
2021	4%	4%
2020	4%	4%
2019	4%	4%
2018	3%	4%
2017	3%	4%
2016	3%	3%
2015	3%	3%
2014	3%	3%
2013	3%	3%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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.

This School District

This State (GA)

Total Revenue

$1,578 MM

$24,999 MM

View Data

Total Revenues Trends
Year	Cobb County School District	Georgia
2023	$1,577 MM	$35 MM
2022	$1,504 MM	$36 MM
2021	$1,577 MM	$35 MM
2020	$1,504 MM	$36 MM
2019	$1,429 MM	$35 MM
2018	$1,345 MM	$37 MM
2017	$1,314 MM	$34 MM
2016	$1,239 MM	$33 MM
2015	$1,102 MM	$35 MM
2014	$1,111 MM	$33 MM
2012	$1,102 MM	$30 MM
2011	$1,125 MM	$35 MM
2010	$1,102 MM	$35 MM
2009	$1,107 MM	$34 MM
2008	$1,158 MM	$36 MM
2007	$1,191 MM	$37 MM
2006	$1,123 MM	$33 MM
2005	$1,026 MM	$31 MM
2004	$945 MM	$30 MM
2003	$937 MM	$29 MM
2002	$869 MM	$27 MM
2001	$813 MM	$26 MM
2000	$754 MM	$24 MM
1999	$688 MM	$23 MM
1998	$585 MM	$21 MM
1997	$531 MM	$19 MM
1996	$486 MM	$18 MM
1995	$402 MM	$16 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$1,456 MM

$23,473 MM

View Data

Total Expenditure Trends
Year	Cobb County School District	Georgia
2023	$1,456 MM	$34 MM
2022	$1,528 MM	$34 MM
2021	$1,456 MM	$34 MM
2020	$1,528 MM	$34 MM
2019	$1,398 MM	$34 MM
2018	$1,308 MM	$37 MM
2017	$1,308 MM	$33 MM
2016	$1,244 MM	$33 MM
2015	$1,061 MM	$34 MM
2014	$1,044 MM	$33 MM
2012	$1,182 MM	$31 MM
2011	$1,088 MM	$32 MM
2010	$1,061 MM	$34 MM
2009	$1,087 MM	$36 MM
2008	$1,151 MM	$39 MM
2007	$1,106 MM	$35 MM
2006	$1,024 MM	$31 MM
2005	$955 MM	$30 MM
2004	$860 MM	$30 MM
2003	$862 MM	$29 MM
2002	$844 MM	$27 MM
2001	$772 MM	$25 MM
2000	$718 MM	$24 MM
1999	$668 MM	$23 MM
1998	$585 MM	$20 MM
1997	$595 MM	$19 MM
1996	$482 MM	$18 MM
1995	$407 MM	$16 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$14,832

$14,305

View Data

Average Revenue Per Student Trends
Year	Cobb County School District	Georgia
2023	$14,784	$12,637
2022	$13,419	$11,894
2021	$14,691	$12,909
2020	$13,419	$11,894
2019	$12,776	$11,854
2018	$12,045	$11,951
2017	$11,612	$10,689
2016	$10,997	$10,171
2015	$9,863	$10,365
2014	$10,104	$10,300
2012	$10,272	$9,333
2011	$10,480	$10,490
2010	$10,277	$10,365
2009	$10,375	$9,939
2008	$10,790	$10,540
2007	$11,098	$10,771
2006	$10,527	$9,885
2005	$9,871	$9,226
2004	$9,266	$8,830
2003	$9,335	$8,835
2002	$8,840	$8,247
2001	$8,487	$7,812
2000	$8,050	$7,225
1999	$7,540	$6,612
1998	$6,632	$5,956
1997	$6,188	$5,538
1995	$4,991	$5,262
1992	$4,746	$4,410

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$13,692

$13,431

View Data

Average Expenditure Per Student Trends
Year	Cobb County School District	Georgia
2023	$13,648	$12,072
2022	$13,631	$11,222
2021	$13,562	$12,332
2020	$13,631	$11,222
2019	$12,497	$11,278
2018	$11,710	$12,081
2017	$11,556	$10,570
2016	$11,041	$10,196
2015	$9,490	$9,935
2014	$9,494	$10,257
2012	$11,016	$9,538
2011	$10,142	$9,524
2010	$9,889	$9,935
2009	$10,180	$10,367
2008	$10,722	$11,185
2007	$10,307	$10,207
2006	$9,594	$9,210
2005	$9,191	$8,893
2004	$8,433	$8,737
2003	$8,584	$8,594
2002	$8,587	$8,120
2001	$8,060	$7,624
2000	$7,667	$7,230
1999	$7,320	$6,576
1998	$6,631	$5,787
1997	$6,938	$5,758
1995	$5,060	$5,243
1992	$4,775	$4,349

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Frequently Asked Questions

How many schools belong to Cobb County School District?

Cobb County School District manages 110 public schools serving 106,358 students.

What is the rank of Cobb County School District?

Cobb County School District is ranked #33 out of 222 school districts in Georgia (top 20%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Georgia school districts for: Highest overall rank (Top 20%), Highest math proficiency (Top 20%), Highest reading/language arts proficiency (Top 20%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)

What is the racial composition of students in Cobb County School District?

33% of Cobb County School District students are White, 30% of students are Black, 26% of students are Hispanic, 6% of students are Asian, and 5% of students are Two or more races.

What is the student/teacher ratio of Cobb County School District?

Cobb County School District has a student/teacher ratio of 14:1, which is equal to the Georgia state average of 14:1.

What is Cobb County School District's spending/student ratio?

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.

Recent Articles

August 20, 2025

Why Single-Sex Public Schools are Growing in Popularity

This article examines the growing trend of single-sex public schools in the United States. It explores the potential benefits, research findings, and controversies surrounding gender-specific education, as well as the factors driving its increasing popularity among parents and educators.

August 20, 2025

When Teachers Cheat: The Standardized Test Controversies

Teachers across the country are being accused of cheating on standardized tests, using erasers to conveniently change their students’ answers. However, are these teachers driven to cheat because the funding system is flawed?

August 20, 2025

When Field Trips Turn Deadly: Who is Responsible?

Recent deaths during field trips have parents and school officials questioning the safety of these excursions. Learn about these tragedies and what parameters should be in place to ensure a safe field trip.

Quick Facts (2025)

District size: 110 schools
Grades: PK-12
Enrollment: 106,358 students
Student-Teacher Ratio: 14:1
Minority Enrollment: 67%
: 88% (Top 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