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SCHOOL COMMUNITY·COBB COUNTY·NCES 130129000512

Mabry Middle School

2700 Jims Rd NE, Marietta, GA 30066 · (770) 928-5546 · Cobb County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL938 STUDENTS
B+
allk12 Grade
Scored higher than 72% of Georgia public middle schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • DThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Georgia public middle schools

Enrollment
938
Middle
DISTRICT 921 · STATE 763
Student : Teacher
16.5:1
57 FTE teachers
DISTRICT 15.1:1 · STATE 14.1:1
Free / Reduced Lunch
14%
136 students
DISTRICT 56% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 630432%
Grade 728530%
Grade 834937%
Student demographics
54%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
White
61966%
DISTRICT 32% · STATE 34% · US 43%
Hispanic
9210%
DISTRICT 27% · STATE 19% · US 30%
Black
758%
DISTRICT 29% · STATE 36% · US 15%
Asian
9710%
DISTRICT 6% · STATE 5% · US 6%
Two+
505%
DISTRICT 6% · STATE 5% · US 5%
Native American
40%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
48051%
Female
45849%

School pathway

Students here typically continue to
Mabry Middle School→Lassiter High School
Feeds from
Davis Elementary SchoolPK–05Garrison Mill Elementary SchoolPK–05
Based on published attendance-zone data from Cobb County. Zones change; confirm enrollment with the district.

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Test scores

Georgia Milestones 2024-25 . % Proficient or Distinguished
English Language Arts
70.2%
GA avg 40.1% . -2.2pp since 2021
Math
76.2%
GA avg 44.6% . -0.4pp since 2021

What this means: On the Georgia Milestones, Georgia's statewide test, about 70 of every 100 students at this school read and write at grade level and about 76 of 100 do math at grade level. Across all Georgia schools, those numbers are about 40 and 45. Reading and writing scores are down about 2 points since 2021, while math scores have held steady.

Georgia Milestones results by year

School yearEnglish Language ArtsMath
2024-2570.2%76.2%
2023-2473.7%75.8%
2022-2374.1%72.7%
2021-2272.4%76.7%
% Proficient or Distinguished, all students and all tested grades.
Source: Georgia Milestones. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
70.3%
composite math + reading, all grades
Predicted
69.8%
based on GA schools with similar FRL share
Beats by
+0.5pp
above demographic expectation

What this means: About 70% of students here test proficient in math and reading, compared with the roughly 70% typical for Georgia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Georgia's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Mabry Middle School

Mabry Middle School's state test result (70.3% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Mabry Middle School this school93814.5%70.3%
Hightower Trail Middle School
Marietta
94410.1%72.7%
Rising Starr Middle School
Fayetteville
93114.9%75.9%
Northwestern Middle School
Alpharetta
1,16711.1%71.9%
Greenbrier Middle School
Evans
85318.5%68.4%
Simpson Middle School
Marietta
88419.7%69.5%
Matched among Georgia middle schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Mabry Middle School ranks

Among middle schools
MeasureThis schoolIn GeorgiaIn Cobb County
State test proficiency
ranked highest first
70.3%#27 of 470#4 of 28
Math proficiency
ranked highest first
76.2%#29 of 474
▼ 5
#4 of 28
no change
Reading proficiency
ranked highest first
70.2%#26 of 474
▼ 7
#5 of 28
▼ 1
3-year test score change
ranked biggest drop first
-1.3pp#46 of 465#3 of 28
Enrollment
ranked largest first
938#123 of 487#13 of 28
Students per teacher
ranked fewest first
16.5:1#413 of 471#25 of 28
Diversity index
ranked most diverse first
53.5%#264 of 471#24 of 28
Free and reduced lunch
ranked highest share first
14.5%#467 of 479#25 of 28
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
938
+38 (+4%) vs 2020
-13% since 1990-91, when it was 1,076
Student : Teacher
16.5:1
was 16.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-259385716.5:114% (136)
2023-2491859.115.5:115% (141)
2022-2391657.116.0:110% (95)
2020-219005516.4:17% (62)
2017-189385317.7:111% (105)
2015-168895516.2:19% (80)
2010-118515415.8:111% (91)
2000-011,0176715.2:12% (18)
1990-911,0765718.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Mabry Middle School.

Since 2017-18: students unchanged (938 to 938); teachers up 8% (53 to 57).

About Mabry Middle School

Mabry Middle School is a medium-sized middle school in Marietta, Georgia, (ZIP code 30066). The school's 938 students are in grades 6 through 8. Statewide, middle schools in Georgia average about 763 students each.

The district for Mabry Middle School is Cobb County, with 110 schools and 105,738 students.

By race and ethnicity, Mabry Middle School is 66% White. The rest of enrollment is 10% Asian, 10% Hispanic, 8% Black, and 5% multiracial. Census estimates put the White share of Cobb County's population at about 49%. Mabry Middle School has a diversity index of 54%, compared with 70% for all US public school students.

Mabry Middle School counts 57 full-time-equivalent teachers, about 16.5 students for each one. Among middle schools in Georgia, the typical ratio is 14.1:1. About 14% of enrolled students meet the income rules for free or reduced-price lunch. By comparison, the figure for public schools in Cobb County is 53%.

allk12 grades Mabry Middle School a B+. The grade compares the school only with Georgia public middle schools, because each state gives its own test.

A school with Mabry Middle School's lunch-eligibility share in Georgia is predicted to score 69.8%. Mabry Middle School scores 70.3%, within a point of that line.

Across Cobb County, median household income is about $102,738, about 51% of adults have at least a bachelor's degree, and the poverty rate is about 6%. Mabry Middle School is among the 129 public schools in Cobb County.

Rocky Mount Elementary School is the nearest neighboring public school, about 1.0 miles away. A five-mile radius around the school includes at least 8 other public schools. Mabry Middle School's average proficiency of 70.3% compares with 63.5% for its nearest scored neighbors.

Mabry Middle School has an NCES locale of Suburb: Large.

The number of students climbed from 900 to 938 over 4 years.

Conversations here can range across sports schedules, lunch menus, and spirit week. Reviews and ratings from people who know the school are welcome.

Cobb County at a glance

View full county profile
Population
775,208
Census ACS
Median income
$102,738
Household, ACS
Bachelor's+
51%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
129
116,609 students

Quick facts

School name
Mabry Middle School
District
Cobb County
Address
2700 Jims Rd NE, Marietta, GA 30066
Phone
(770) 928-5546
County
Cobb County
Level
Middle
Grade range
06–08
Total enrollment
938
Teachers (FTE)
57
Student–teacher ratio
16.5:1
Free and reduced lunch
136 (14%)
Locale
21-Suburb: Large
NCES ID
130129000512
Charter school
No
Virtual school
No

Related schools

Other schools in Cobb County
Other schools in Marietta
Nearby schools

Frequently asked questions

About Mabry Middle School
What is the total enrollment at Mabry Middle School?
Mabry Middle School enrolls approximately 938 students in grades 06-08.
What age range does Mabry Middle School serve?
Mabry Middle School serves students from grade 06 through grade 08.
What is the student-teacher ratio at Mabry Middle School?
The student-to-teacher ratio at Mabry Middle School is approximately 16.5:1 (57 FTE teachers).
What is the student diversity at Mabry Middle School?
Student demographics at Mabry Middle School are roughly 66% White, 10% Hispanic, 8% Black, 10% Asian, 5% Two or more.
Who oversees Mabry Middle School?
Mabry Middle School is overseen by Cobb County in Cobb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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