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 are 28 public middle schools serving 25,296 students in Cobb County School District. This district's average middle testing ranking is 9/10, which is in the top 20% of public middle schools in Georgia.
Public Middle Schools in Cobb County School District have an average math proficiency score of 45% (versus the Georgia public middle school average of 35%), and reading proficiency score of 48% (versus the 39% statewide average).
Minority enrollment is 68% of the student body (majority Black and Hispanic), which is more than the Georgia public middle school average of 66% (majority Black).
Overview
This School District
This State (GA)
# Schools
110 Schools
669 Schools
# Students
106,358 Students
460,632 Students
# Teachers
7,431 Teachers
32,363 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.
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
0.71
# American Indian Students
235 Students
1,062 Students
% American Indian Students
n/a
n/a
# Asian Students
6,284 Students
21,729 Students
% Asian Students
6%
5%
# Hispanic Students
27,323 Students
82,070 Students
% Hispanic Students
26%
18%
# Black Students
31,757 Students
174,895 Students
% Black Students
30%
38%
# White Students
34,953 Students
158,602 Students
% White Students
33%
34%
# Hawaiian Students
94 Students
523 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
5,712 Students
21,751 Students
% of Two or more races Students
5%
5%
Students by Grade:
# Students in PK Grade:
921
1,052
# Students in K Grade:
6,876
5,528
# Students in 1st Grade:
7,330
5,888
# Students in 2nd Grade:
7,568
6,121
# Students in 3rd Grade:
7,647
5,929
# Students in 4th Grade:
7,710
6,158
# Students in 5th Grade:
7,759
8,331
# Students in 6th Grade:
7,938
125,682
# Students in 7th Grade:
8,177
131,446
# Students in 8th Grade:
8,320
133,602
# Students in 9th Grade:
10,106
10,391
# Students in 10th Grade:
9,017
7,643
# Students in 11th Grade:
8,366
6,973
# Students in 12th Grade:
8,623
5,888
# Ungraded Students:
-
-
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 Middle Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Dickerson Middle School
(Math: 86% | Reading: 80%)
Rank:
Rank:
10/
Top 1%10
855 Woodlawn Dr Ne
Marietta, GA 30068
(770) 578-2710
Marietta, GA 30068
(770) 578-2710
Grades: 6-8
| 1,208 students
Rank: #22.
Dodgen Middle School
(Math: 82% | Reading: 76%)
Rank:
Rank:
10/
Top 5%10
1725 Bill Murdock Rd
Marietta, GA 30062
(770) 578-2726
Marietta, GA 30062
(770) 578-2726
Grades: 6-8
| 1,238 students
Rank: #33.
Mabry Middle School
(Math: 75% | Reading: 72%)
Rank:
Rank:
10/
Top 5%10
2700 Jims Rd Ne
Marietta, GA 30066
(770) 928-5546
Marietta, GA 30066
(770) 928-5546
Grades: 6-8
| 918 students
Rank: #44.
Hightower Trail Middle School
(Math: 75% | Reading: 71%)
Rank:
Rank:
10/
Top 5%10
3905 Post Oak Tritt Rd
Marietta, GA 30062
(770) 578-7225
Marietta, GA 30062
(770) 578-7225
Grades: 6-8
| 963 students
Rank: #55.
Simpson Middle School
(Math: 69% | Reading: 69%)
Rank:
Rank:
10/
Top 10%10
3340 Trickum Rd Ne
Marietta, GA 30066
(770) 971-4711
Marietta, GA 30066
(770) 971-4711
Grades: 6-8
| 884 students
Rank: #66.
Lost Mountain Middle School
(Math: 62% | Reading: 64%)
Rank:
Rank:
10/
Top 10%10
700 Old Mountain Rd Nw
Kennesaw, GA 30152
(678) 594-8224
Kennesaw, GA 30152
(678) 594-8224
Grades: 6-8
| 993 students
Rank: #77.
Durham Middle School
(Math: 60% | Reading: 67%)
Rank:
Rank:
10/
Top 10%10
2891 Mars Hill Rd Nw
Acworth, GA 30101
(770) 975-6641
Acworth, GA 30101
(770) 975-6641
Grades: 6-8
| 1,020 students
Rank: #88.
Mcclure Middle School
(Math: 59% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
3660 Old Stilesboro Rd Nw
Kennesaw, GA 30152
(678) 331-8131
Kennesaw, GA 30152
(678) 331-8131
Grades: 6-8
| 1,003 students
Rank: #99.
Lovinggood Middle School
(Math: 56% | Reading: 56%)
Rank:
Rank:
9/
Top 20%10
3825 Luther Ward Rd
Powder Springs, GA 30127
(678) 331-3015
Powder Springs, GA 30127
(678) 331-3015
Grades: 6-8
| 1,215 students
Rank: #1010.
Palmer Middle School
(Math: 45% | Reading: 52%)
Rank:
Rank:
8/
Top 30%10
690 N Booth Rd Nw
Kennesaw, GA 30144
(770) 591-5020
Kennesaw, GA 30144
(770) 591-5020
Grades: 6-8
| 776 students
Rank: #1111.
Mccleskey Middle School
(Math: 44% | Reading: 47%)
Rank:
Rank:
8/
Top 30%10
4080 Maybreeze Rd
Marietta, GA 30066
(770) 928-5560
Marietta, GA 30066
(770) 928-5560
Grades: 6-8
| 551 students
Rank: #1212.
Daniell Middle School
(Math: 42% | Reading: 49%)
Rank:
Rank:
8/
Top 30%10
2900 Scott Rd
Marietta, GA 30066
(678) 594-8048
Marietta, GA 30066
(678) 594-8048
Grades: 6-8
| 894 students
Rank: #1313.
Awtrey Middle School
(Math: 40% | Reading: 40%)
Rank:
Rank:
7/
Top 50%10
3601 Nowlin Rd Nw
Kennesaw, GA 30144
(770) 975-6615
Kennesaw, GA 30144
(770) 975-6615
Grades: 6-8
| 643 students
Rank: #1414.
Pine Mountain Middle School
(Math: 36% | Reading: 43%)
Rank:
Rank:
7/
Top 50%10
2720 Pine Mountain Cir Nw
Kennesaw, GA 30152
(678) 594-8252
Kennesaw, GA 30152
(678) 594-8252
Grades: 6-8
| 545 students
Rank: #1515.
Griffin Middle School
(Math: 34% | Reading: 44%)
Rank:
Rank:
7/
Top 50%10
4010 King Springs Rd Se
Smyrna, GA 30082
(678) 842-6917
Smyrna, GA 30082
(678) 842-6917
Grades: 6-8
| 982 students
Rank: #1616.
Barber Middle School
(Math: 32% | Reading: 41%)
Rank:
Rank:
6/
Top 50%10
4222 Cantrell Rd Nw
Acworth, GA 30101
(770) 975-6764
Acworth, GA 30101
(770) 975-6764
Grades: 6-8
| 832 students
Rank: #1717.
Tapp Middle School
(Math: 31% | Reading: 41%)
Rank:
Rank:
6/
Top 50%10
3900 Macedonia Rd
Powder Springs, GA 30127
(770) 222-3758
Powder Springs, GA 30127
(770) 222-3758
Grades: 6-8
| 885 students
Rank: #1818.
Campbell Middle School
(Math: 31% | Reading: 40%)
Rank:
Rank:
6/
Top 50%10
3295 Atlanta Rd Se
Smyrna, GA 30080
(678) 842-6873
Smyrna, GA 30080
(678) 842-6873
Grades: 6-8
| 1,257 students
Rank: #1919.
East Cobb Middle School
(Math: 32% | Reading: 34%)
Rank:
Rank:
5/
Bottom 50%10
825 Terrell Mill Rd
Marietta, GA 30067
(770) 578-2740
Marietta, GA 30067
(770) 578-2740
Grades: 6-8
| 1,345 students
Rank: #2020.
Cooper Middle School
(Math: 30% | Reading: 34%)
Rank:
Rank:
5/
Bottom 50%10
4605 Ewing Rd
Austell, GA 30106
(770) 819-2438
Austell, GA 30106
(770) 819-2438
Grades: 6-8
| 1,056 students
Rank: #2121.
Cobb Horizon High School
(Math: 22% | Reading: 36%)
Rank:
Rank:
5/
Bottom 50%10
1765 The Exchange Se
Atlanta, GA 30339
(678) 594-8240
Atlanta, GA 30339
(678) 594-8240
Grades: 6-12
| 1,027 students
Rank: #22 - 2322. - 23.
Betty Gray Middle School
(Math: 27% | Reading: 28%)
Rank:
Rank:
4/
Bottom 50%10
1550 Pebblebrook Cir Se
Mableton, GA 30126
(770) 819-2414
Mableton, GA 30126
(770) 819-2414
Grades: 6-8
| 686 students
Rank: #22 - 2322. - 23.
Smitha Middle School
(Math: 25% | Reading: 30%)
Rank:
Rank:
4/
Bottom 50%10
2025 Powder Springs Rd Sw
Marietta, GA 30064
(678) 594-8267
Marietta, GA 30064
(678) 594-8267
Grades: 6-8
| 868 students
Rank: #2424.
Floyd Middle School
(Math: 25% | Reading: 29%)
Rank:
Rank:
4/
Bottom 50%10
4803 Floyd Rd Sw
Mableton, GA 30126
(770) 819-2453
Mableton, GA 30126
(770) 819-2453
Grades: 6-8
| 846 students
Rank: #2525.
Garrett Middle School
(Math: 23% | Reading: 23%)
Rank:
Rank:
3/
Bottom 50%10
5235 Austell Powder Springs Rd
Austell, GA 30106
(770) 819-2466
Austell, GA 30106
(770) 819-2466
Grades: 6-8
| 883 students
Rank: #2626.
Lindley Middle School
(Math: 18% | Reading: 25%)
Rank:
Rank:
3/
Bottom 50%10
50 Veterans Memorial Hwy Se
Mableton, GA 30126
(770) 819-2496
Mableton, GA 30126
(770) 819-2496
Grades: 6-8
| 875 students
Rank: #2727.
Devereux Ackerman Academy
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
2/
Bottom 50%10
1291 Stanley Rd Nw
Kennesaw, GA 30152
(770) 427-0147
Kennesaw, GA 30152
(770) 427-0147
Grades: K-12
| 64 students
Rank: #2828.
Pearson Middle School
(Math: 11% | Reading: 22%)
Rank:
Rank:
2/
Bottom 50%10
240 Barber Road
Marietta, GA 30060
(770) 429-6012
Marietta, GA 30060
(770) 429-6012
Grades: 6-8
| 839 students
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