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Public School Review - Established 2003

Cobb County School District

514 Glover Street
Marietta, GA 30060
(District boundaries shown in map)
: 
9/
10
Top 20%
Tel: (770) 426-3300

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 are 110 public schools serving 105,738 students in Cobb County School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Georgia.
Public Schools in Cobb County School District have an average math proficiency score of 47% (versus the Georgia public school average of 39%), and reading proficiency score of 50% (versus the 40% statewide average).
Minority enrollment is 68% of the student body (majority Black and Hispanic), which is more than the Georgia public school average of 66% (majority Black).

Overview

This School District
This State (GA)
# Schools
110 Schools
2,330 Schools
# Students
105,738 Students
1,744,972 Students
# Teachers
7,477 Teachers
121,753 Teachers
Student-Teacher Ratio
14:1
14:1

Student By Grade

Comparison of Students By Grade Trends

GradeCobb County School DistrictGeorgia
Pre-K954209
Kind6,741499
17,139518
27,521534
37,673551
47,726538
57,865548
67,782548
78,045557
88,265564
99,933635
108,900603
118,188560
129,006530
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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.
Definition of Terms
This School District
State Average (GA)
#32 out of 222 school districts
(Top 20%)

Overall School District Rank Trends

YearCobb 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
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47%
39%

Math Proficiency Trends

YearCobb County School DistrictGeorgia
202347%39%
202247%37%
202139%36%
201954%44%
201852%42%
201751%41%
201650%41%
201546%38%
201484%79%
201389%83%
201287%81%
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50%
40%

Reading and Language Arts Proficiency Trends

YearCobb County School DistrictGeorgia
202250%40%
202145%39%
201955%45%
201852%42%
201753%41%
201651%40%
201550%39%
201497%94%
201396%93%
201296%93%
201194%91%
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47%
40%

Science Proficiency Trends

YearCobb County School DistrictGeorgia
202247%40%
202145%38%
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88%
84%

Graduation Rate Trends

YearCobb County School DistrictGeorgia
202388%84%
202287%84%
202187%84%
202089%85%
201987%83%
201885%83%
201784%82%
201684%81%
201581%81%
201478%75%
201377%74%
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Students by Ethnicity:

0.74
0.72

Comparison of Diversity Score Trends

YearCobb County School DistrictGeorgia
20240.740.71
20230.730.71
20220.730.70
20210.730.70
20200.720.69
20190.720.69
20180.710.68
20170.710.68
20160.700.68
20150.700.67
20140.700.67
20130.690.67
20120.690.66
20110.680.66
20100.660.65
20090.660.64
20080.650.64
20070.640.63
20060.640.61
20050.620.61
20040.580.59
20030.560.58
20020.540.57
20010.510.56
20000.480.55
19990.450.54
19980.430.54
19970.390.53
19960.370.52
19950.350.52
19940.330.51
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% American Indian
n/a
n/a
% Asian
6%
5%

Asian Student Percentage Comparison Over Years (1994-2024)

YearCobb County School DistrictGeorgia
20246%5%
20237%5%
20226%5%
20216%5%
20206%4%
20196%4%
20186%4%
20176%4%
20165%4%
20156%4%
20145%4%
20135%4%
20125%4%
20115%4%
20106%4%
20096%4%
20086%4%
20076%4%
20065%4%
20056%4%
20044%3%
20035%3%
20024%2%
20014%2%
20003%2%
19993%2%
19983%2%
19973%2%
19963%2%
19953%2%
19943%1%
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% Hispanic
27%
20%

Hispanic Student Percentage Comparison Over Years (1994-2024)

YearCobb County School DistrictGeorgia
202426%19%
202325%18%
202224%18%
202124%17%
202022%16%
201922%16%
201821%15%
201721%15%
201621%15%
201519%14%
201419%13%
201318%13%
201217%12%
201117%12%
201016%11%
200916%11%
200817%11%
200715%10%
200614%9%
200512%9%
200410%7%
20039%6%
20028%6%
20017%5%
20006%4%
19995%3%
19984%3%
19973%3%
19963%2%
19952%2%
19942%2%
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% Black
29%
36%

Black Student Percentage Comparison Over Years (1994-2024)

YearCobb County School DistrictGeorgia
202430%36%
202330%36%
202231%36%
202131%36%
202031%37%
201931%37%
201832%37%
201732%37%
201632%37%
201532%37%
201432%37%
201331%37%
201231%37%
201131%37%
201032%37%
200931%39%
200830%39%
200730%39%
200631%39%
200529%38%
200428%38%
200326%38%
200225%38%
200124%38%
200022%38%
199921%38%
199820%38%
199718%37%
199617%38%
199516%37%
199414%37%
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% White
32%
34%

White Student Percentage Comparison Over Years (1994-2024)

YearCobb County School DistrictGeorgia
202433%35%
202333%36%
202234%37%
202135%38%
202037%39%
201937%39%
201838%40%
201738%40%
201639%41%
201540%42%
201441%43%
201343%43%
201244%44%
201144%44%
201046%45%
200947%46%
200847%46%
200749%47%
200650%48%
200553%49%
200458%52%
200360%53%
200263%54%
200165%55%
200069%56%
199971%57%
199873%57%
199776%58%
199677%58%
199579%59%
199481%60%
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% Hawaiian
n/a
n/a
% Two or more races
6%
5%

Two or More Races Student Percentage Comparison Over Years (2012-2024)

YearCobb County School DistrictGeorgia
20245%5%
20235%5%
20225%4%
20214%4%
20204%4%
20194%4%
20183%4%
20173%4%
20163%3%
20153%3%
20143%3%
20133%3%
20123%3%
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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.
Definition of Terms
This School District
This State (GA)
Total Revenue
$1,578 MM
$24,999 MM

Total Revenues Trends

YearCobb County School DistrictGeorgia
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
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Spending
$1,456 MM
$23,473 MM

Total Expenditure Trends

YearCobb County School DistrictGeorgia
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
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Revenue / Student
$14,919
$14,327

Average Revenue Per Student Trends

YearCobb County School DistrictGeorgia
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
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Spending / Student
$13,772
$13,452

Average Expenditure Per Student Trends

YearCobb County School DistrictGeorgia
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
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Best Cobb County School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Timber Ridge Elementary School
(Math: 88% | Reading: 87%)
Rank:
10/
10
Top 1%
5000 Timber Ridge Rd
Marietta, GA 30068
(770) 642-5621
Gr: PK-5 | 529 students Student-teacher ratio: 13:1 Minority enrollment: 36%
Rank: #22.
Mount Bethel Elementary School
(Math: 87% | Reading: 84%)
Rank:
10/
10
Top 1%
1210 Johnson Ferry Rd
Marietta, GA 30068
(770) 578-7248
Gr: PK-5 | 898 students Student-teacher ratio: 14:1 Minority enrollment: 34%
Rank: #33.
Tritt Elementary School
(Math: 85% | Reading: 83%)
Rank:
10/
10
Top 1%
4435 Post Oak Tritt Rd
Marietta, GA 30062
(770) 642-5630
Gr: PK-5 | 804 students Student-teacher ratio: 13:1 Minority enrollment: 25%
Rank: #44.
Dickerson Middle School
(Math: 88% | Reading: 80%)
Rank:
10/
10
Top 1%
855 Woodlawn Dr Ne
Marietta, GA 30068
(770) 578-2710
Gr: 6-8 | 1,225 students Student-teacher ratio: 18:1 Minority enrollment: 40%
Rank: #55.
Sope Creek Elementary School
(Math: 83% | Reading: 83%)
Rank:
10/
10
Top 1%
3320 Paper Mill Rd Se
Marietta, GA 30067
(770) 916-7085
Gr: PK-5 | 1,104 students Student-teacher ratio: 15:1 Minority enrollment: 46%
Rank: #66.
Walton High School
Charter School
(Math: 80% | Reading: 89%)
Rank:
10/
10
Top 5%
1590 Bill Murdock Rd
Marietta, GA 30062
(770) 578-3225
Gr: 9-12 | 2,705 students Student-teacher ratio: 19:1 Minority enrollment: 42%
Rank: #77.
Murdock Elementary School
(Math: 80% | Reading: 81%)
Rank:
10/
10
Top 5%
2320 Murdock Rd
Marietta, GA 30062
(770) 509-5071
Gr: PK-5 | 847 students Student-teacher ratio: 14:1 Minority enrollment: 46%
Rank: #8 - 98. - 9.
Mountain View Elementary School
(Math: 78% | Reading: 82%)
Rank:
10/
10
Top 5%
3151 Sandy Plains Rd
Marietta, GA 30066
(770) 578-7265
Gr: PK-5 | 837 students Student-teacher ratio: 13:1 Minority enrollment: 47%
Rank: #8 - 98. - 9.
Pope High School
(Math: 80% | Reading: 79%)
Rank:
10/
10
Top 5%
3001 Hembree Rd Ne
Marietta, GA 30062
(770) 578-7900
Gr: 9-12 | 1,793 students Student-teacher ratio: 17:1 Minority enrollment: 29%
Rank: #1010.
Dodgen Middle School
(Math: 80% | Reading: 76%)
Rank:
10/
10
Top 5%
1725 Bill Murdock Rd
Marietta, GA 30062
(770) 578-2726
Gr: 6-8 | 1,178 students Student-teacher ratio: 16:1 Minority enrollment: 45%
Rank: #1111.
East Side Elementary School
(Math: 78% | Reading: 76%)
Rank:
10/
10
Top 5%
3850 Roswell Rd
Marietta, GA 30062
(770) 578-7200
Gr: PK-5 | 1,072 students Student-teacher ratio: 15:1 Minority enrollment: 44%
Rank: #1212.
Lassiter High School
(Math: 73% | Reading: 78%)
Rank:
10/
10
Top 5%
2601 Shallowford Rd
Marietta, GA 30066
(678) 494-7863
Gr: 9-12 | 2,005 students Student-teacher ratio: 18:1 Minority enrollment: 33%
Rank: #1313.
Shallowford Falls Elementary School
(Math: 77% | Reading: 72%)
Rank:
10/
10
Top 5%
3529 Lassiter Rd
Marietta, GA 30062
(770) 642-5610
Gr: PK-5 | 591 students Student-teacher ratio: 11:1 Minority enrollment: 34%
Rank: #1414.
Hightower Trail Middle School
(Math: 76% | Reading: 71%)
Rank:
10/
10
Top 5%
3905 Post Oak Tritt Rd
Marietta, GA 30062
(770) 578-7225
Gr: 6-8 | 944 students Student-teacher ratio: 15:1 Minority enrollment: 30%
Rank: #15 - 1615. - 16.
Harrison High School
(Math: 69% | Reading: 80%)
Rank:
10/
10
Top 5%
4500 Due West Rd Nw
Kennesaw, GA 30152
(678) 594-8104
Gr: 9-12 | 2,224 students Student-teacher ratio: 19:1 Minority enrollment: 33%
Rank: #15 - 1615. - 16.
Rocky Mount Elementary School
(Math: 71% | Reading: 76%)
Rank:
10/
10
Top 5%
2400 Rocky Mountain Rd Ne
Marietta, GA 30066
(770) 591-5050
Gr: PK-5 | 576 students Student-teacher ratio: 13:1 Minority enrollment: 36%
Rank: #1717.
Garrison Mill Elementary School
(Math: 68% | Reading: 75%)
Rank:
10/
10
Top 10%
4111 Wesley Chapel Rd
Marietta, GA 30062
(770) 642-5600
Gr: PK-5 | 649 students Student-teacher ratio: 14:1 Minority enrollment: 31%
Rank: #1818.
Mabry Middle School
(Math: 70% | Reading: 72%)
Rank:
10/
10
Top 10%
2700 Jims Rd Ne
Marietta, GA 30066
(770) 928-5546
Gr: 6-8 | 938 students Student-teacher ratio: 16:1 Minority enrollment: 34%
Rank: #1919.
Due West Elementary School
(Math: 74% | Reading: 66%)
Rank:
10/
10
Top 10%
3900 Due West Rd Nw
Marietta, GA 30064
(678) 594-8071
Gr: PK-5 | 626 students Student-teacher ratio: 13:1 Minority enrollment: 40%
Rank: #2020.
Kincaid Elementary School
(Math: 66% | Reading: 71%)
Rank:
10/
10
Top 10%
1410 Kincaid Rd
Marietta, GA 30066
(770) 578-7238
Gr: PK-5 | 603 students Student-teacher ratio: 13:1 Minority enrollment: 48%
Rank: #2121.
Kemp Elementary School
(Math: 68% | Reading: 66%)
Rank:
10/
10
Top 10%
865 Corner Rd
Powder Springs, GA 30127
(678) 594-8158
Gr: PK-5 | 894 students Student-teacher ratio: 14:1 Minority enrollment: 56%
Rank: #2222.
Simpson Middle School
(Math: 64% | Reading: 69%)
Rank:
10/
10
Top 10%
3340 Trickum Rd Ne
Marietta, GA 30066
(770) 971-4711
Gr: 6-8 | 884 students Student-teacher ratio: 15:1 Minority enrollment: 44%
Rank: #2323.
Pickett's Mill Elementary School
(Math: 71% | Reading: 59%)
Rank:
10/
10
Top 10%
6400 Old Stilesboro Rd Nw
Acworth, GA 30101
(770) 975-7172
Gr: PK-5 | 753 students Student-teacher ratio: 13:1 Minority enrollment: 39%
Rank: #2424.
Vaughan Elementary School
(Math: 66% | Reading: 63%)
Rank:
10/
10
Top 10%
5950 Nichols Rd
Powder Springs, GA 30127
(678) 594-8298
Gr: PK-5 | 600 students Student-teacher ratio: 13:1 Minority enrollment: 39%
Rank: #25 - 2625. - 26.
Davis Elementary School
(Math: 63% | Reading: 66%)
Rank:
10/
10
Top 10%
2433 Jamerson Rd
Marietta, GA 30066
(678) 494-7636
Gr: PK-5 | 635 students Student-teacher ratio: 14:1 Minority enrollment: 36%
Rank: #25 - 2625. - 26.
Hillgrove High School
(Math: 63% | Reading: 66%)
Rank:
10/
10
Top 10%
4165 Luther Ward Rd
Powder Springs, GA 30127
(678) 331-3961
Gr: 9-12 | 2,282 students Student-teacher ratio: 18:1 Minority enrollment: 61%
Rank: #2727.
Lost Mountain Middle School
(Math: 64% | Reading: 64%)
Rank:
10/
10
Top 10%
700 Old Mountain Rd Nw
Kennesaw, GA 30152
(678) 594-8224
Gr: 6-8 | 979 students Student-teacher ratio: 16:1 Minority enrollment: 43%
Rank: #2828.
Ford Elementary School
(Math: 63% | Reading: 64%)
Rank:
10/
10
Top 10%
1345 Mars Hill Rd Nw
Acworth, GA 30101
(678) 594-8092
Gr: PK-5 | 750 students Student-teacher ratio: 13:1 Minority enrollment: 35%
Rank: #29 - 3029. - 30.
Durham Middle School
(Math: 58% | Reading: 67%)
Rank:
9/
10
Top 20%
2891 Mars Hill Rd Nw
Acworth, GA 30101
(770) 975-6641
Gr: 6-8 | 984 students Student-teacher ratio: 16:1 Minority enrollment: 39%
Rank: #29 - 3029. - 30.
King Springs Elementary School
(Math: 58% | Reading: 67%)
Rank:
9/
10
Top 20%
1041 Reed Rd Se
Smyrna, GA 30082
(678) 842-6944
Gr: PK-5 | 1,101 students Student-teacher ratio: 14:1 Minority enrollment: 55%
Rank: #3131.
Addison Elementary School
(Math: 67% | Reading: 54%)
Rank:
9/
10
Top 20%
3055 Ebenezer Rd
Marietta, GA 30066
(770) 578-2700
Gr: PK-5 | 571 students Student-teacher ratio: 12:1 Minority enrollment: 51%
Rank: #3232.
Allatoona High School
(Math: 55% | Reading: 60%)
Rank:
9/
10
Top 20%
3300 Dallas Acworth Hwy Nw
Acworth, GA 30101
(770) 975-6503
Gr: 9-12 | 1,560 students Student-teacher ratio: 16:1 Minority enrollment: 43%
Rank: #3333.
Cheatham Hill Elementary School
(Math: 60% | Reading: 53%)
Rank:
9/
10
Top 20%
1350 John Ward Rd Sw
Marietta, GA 30064
(678) 594-8034
Gr: PK-5 | 1,021 students Student-teacher ratio: 13:1 Minority enrollment: 61%
Rank: #3434.
Mcclure Middle School
(Math: 54% | Reading: 58%)
Rank:
9/
10
Top 20%
3660 Old Stilesboro Rd Nw
Kennesaw, GA 30152
(678) 331-8131
Gr: 6-8 | 1,030 students Student-teacher ratio: 15:1 Minority enrollment: 46%
Rank: #3535.
Still Elementary School
(Math: 56% | Reading: 56%)
Rank:
9/
10
Top 20%
870 Casteel Rd
Powder Springs, GA 30127
(678) 594-8287
Gr: PK-5 | 755 students Student-teacher ratio: 12:1 Minority enrollment: 56%
Show 75 more public schools in Cobb County School District (out of 110 total schools)
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Frequently Asked Questions

How many schools belong to Cobb County School District?
Cobb County School District manages 110 public schools serving 105,738 students.
What is the rank of Cobb County School District?
Cobb County School District is ranked #33 out of 219 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?
32% of Cobb County School District students are White, 29% of students are Black, 27% of students are Hispanic, 6% of students are Asian, and 6% 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 $13,772 is higher than the state median of $13,452. The school district spending/student has stayed relatively flat over four school years.

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Quick Facts (2026)

  • District size: 110 schools
  • Grades: PK-12
  • Enrollment: 105,738 students
  • Student-Teacher Ratio: 14:1
  • Minority Enrollment: 68%
  • : 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

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