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SCHOOL COMMUNITY·MARIETTA CITY·NCES 130351001339

Marietta Middle School

121 Winn St NW, Marietta, GA 30064 · (770) 422-0311 · Cobb County
GRADES 07–08MIDDLE13-CITYTITLE IREGULAR SCHOOL1,352 STUDENTS
A-
allk12 Grade
Scored higher than 75% of Georgia public middle schools
  • B+Test 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.
  • AThree-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
1,352
Middle
DISTRICT 1,015 · STATE 763
Student : Teacher
12.9:1
105 FTE teachers
DISTRICT 12.6:1 · STATE 14.1:1
Free / Reduced Lunch
68%
916 students
DISTRICT 62% · 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 766949%
Grade 868351%
Student demographics
68%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 71% · US 70%
White
26119%
DISTRICT 22% · STATE 34% · US 43%
Hispanic
55341%
DISTRICT 40% · STATE 19% · US 30%
Black
45534%
DISTRICT 32% · STATE 36% · US 15%
Asian
212%
DISTRICT 1% · STATE 5% · US 6%
Two+
594%
DISTRICT 5% · STATE 5% · US 5%
Native American
30%
DISTRICT 0% · STATE 0% · US 1%
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
70152%
Female
65148%

School pathway

Students here typically continue to
Marietta Middle School→Marietta High School
Feeds from
Marietta Sixth Grade Academy06–06
Based on grade levels within Marietta City. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

Georgia Milestones 2024-25 . % Proficient or Distinguished
English Language Arts
43.5%
GA avg 40.1% . +8.3pp since 2021
Math
49.7%
GA avg 44.6% . +10.7pp since 2021

What this means: On the Georgia Milestones, Georgia's statewide test, about 43 of every 100 students at this school read and write at grade level and about 50 of 100 do math at grade level. Across all Georgia schools, those numbers are about 40 and 45. Reading and writing scores are up about 8 points since 2021, while math scores are up about 11 points.

Georgia Milestones results by year

School yearEnglish Language ArtsMath
2024-2543.5%49.7%
2023-2443.3%46.1%
2022-2337.4%33.6%
2021-2235.2%38.9%
% 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
45.4%
composite math + reading, all grades
Predicted
42.3%
based on GA schools with similar FRL share
Beats by
+3.1pp
above demographic expectation

What this means: About 45% of students here test proficient in math and reading, compared with the roughly 42% 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 Marietta Middle School

Marietta Middle School's state test result (45.4% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Marietta Middle School this school1,35267.8%45.4%
East Cobb Middle School
Marietta
1,35266.5%36.1%
Henderson Middle School
Chamblee
1,36773.5%33.7%
Pinckneyville Middle School
Peachtree Corners
1,15757.0%42.3%
Carrollton Middle School
Carrollton
1,28058.5%43.0%
Creekland Middle School
Lawrenceville
1,69365.0%45.2%
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 Marietta Middle School ranks

Among middle schools
MeasureThis schoolIn GeorgiaIn Cobb County
State test proficiency
ranked highest first
45.4%#155 of 470#14 of 28
Math proficiency
ranked highest first
49.7%#148 of 474
▲ 8
#12 of 28
▲ 3
Reading proficiency
ranked highest first
43.5%#149 of 474
▲ 22
#17 of 28
▲ 4
3-year test score change
ranked biggest gain first
+9.5pp#62 of 465#2 of 28
Enrollment
ranked largest first
1,352#34 of 487#3 of 28
Students per teacher
ranked fewest first
12.9:1#121 of 471#4 of 28
Diversity index
ranked most diverse first
68.0%#57 of 471#10 of 28
Free and reduced lunch
ranked highest share first
67.8%#301 of 479#9 of 28
Enrollment change since 2017-18
ranked fastest growth first
+6.0%#90 of 144N/A
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
1,352
-13 (-1%) vs 2020
+25% since 1990-91, when it was 1,079
Student : Teacher
12.9:1
was 14.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,35210512.9:168% (916)
2023-241,3029913.2:170% (911)
2022-231,3169713.6:162% (820)
2020-211,3659214.8:156% (768)
2017-181,27689.514.3:155% (702)
2015-161,3378216.3:167% (902)
2010-111,1167714.5:170% (780)
2000-011,55512112.8:127% (425)
1990-911,0797414.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Marietta Middle School.

Since 2017-18: students up 6% (1,276 to 1,352); teachers up 17% (89.5 to 105).

About Marietta Middle School

Marietta Middle School is a middle school with a street address in Marietta, Georgia. The grade span is 7 through 8, and enrollment is 1,352 students. An average school in this group (middle schools in Georgia) has about 763 students.

The 13 schools of Marietta City, including Marietta Middle School, enroll 8,664 students.

By race and ethnicity, the largest group at Marietta Middle School is Hispanic (41%). Enrollment also includes 34% Black, 19% White, and 4% multiracial. The school's Hispanic share is 26 points above the 15% share among Cobb County residents. The chance that two students picked at random at Marietta Middle School belong to different racial or ethnic groups, known as the diversity index, is 68%.

Teacher staffing is 105 full-time equivalents, or about 12.9 students per teacher. The 14.1:1 average for middle schools in Georgia is higher than this school's figure. Eligibility for subsidized school meals is 68%. Public schools in Cobb County average 53%.

Measured against Georgia public middle schools, Marietta Middle School receives an A-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

Test results at Marietta Middle School are 3.1 points above what its free or reduced-price lunch share predicts (45.4% actual, 42.3% predicted).

Census estimates describe Cobb County this way: median household income is about $102,738, a bachelor's degree or higher is held by about 51% of adults, and the poverty rate is about 6%. Federal data list 129 public schools in Cobb County, with a combined enrollment of about 116,609.

West Side Elementary School is the closest public school, about 0.3 miles away in a straight line. Marietta Middle School is one of several public schools in the area, with at least 8 others within five miles. The nearest schools with test data average 49.2%, higher than Marietta Middle School's 45.4%.

Locale data from NCES put Marietta Middle School inside a principal city with a population under 100,000 (City: Small).

Enrollment at Marietta Middle School was 1,365 in 2020-21 and 1,352 in 2024-25, a change of less than 3%. In 2020-21, the student-to-teacher ratio was 14.8:1; by 2024-25 it was 12.9:1.

The discussion area below is open to posts about school events, clubs, and volunteer needs. Questions from prospective families are welcome too.

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
Marietta Middle School
District
Marietta City
Address
121 Winn St NW, Marietta, GA 30064
Phone
(770) 422-0311
County
Cobb County
Level
Middle
Grade range
07–08
Total enrollment
1,352
Teachers (FTE)
105
Student–teacher ratio
12.9:1
Free and reduced lunch
916 (68%)
Locale
13-City: Small
NCES ID
130351001339
Charter school
No
Virtual school
No

Related schools

Other schools in Marietta City
Other schools in Marietta
Other Marietta Middle schools

One other US public school is named Marietta Middle. Marietta Middle School is the largest of the 2.

Nearby schools

Frequently asked questions

About Marietta Middle School
How large is Marietta Middle School?
Marietta Middle School enrolls approximately 1,352 students in grades 07-08.
What grades does Marietta Middle School serve?
Marietta Middle School serves grades 07-08.
What is the student-teacher ratio at Marietta Middle School?
The student-to-teacher ratio at Marietta Middle School is approximately 12.9:1 (105 FTE teachers).
What is the racial breakdown of students at Marietta Middle School?
At Marietta Middle School, the student body is approximately 19% White, 41% Hispanic, 34% Black, 2% Asian, 4% Two or more.
Is Marietta Middle School public or private?
Marietta Middle School is a public K-12 school, overseen by Marietta City.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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