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SCHOOL COMMUNITY·MARIETTA CITY·NCES 130351001342

Marietta High School

1171 Whitlock Ave SW, Marietta, GA 30064 · (770) 428-2631 · Cobb County
GRADES 09–12HIGH13-CITYTITLE IREGULAR SCHOOL2,526 STUDENTS
B-
allk12 Grade
Scored higher than 52% of Georgia public high schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

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 high schools

Enrollment
2,526
High
DISTRICT 1,265 · STATE 1,120
Student : Teacher
14.3:1
176 FTE teachers
DISTRICT 9.2:1 · STATE 15.2:1
Free / Reduced Lunch
57%
1,432 students
DISTRICT 62% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 976830%
Grade 1063725%
Grade 1158623%
Grade 1253521%
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
53921%
DISTRICT 22% · STATE 34% · US 43%
Hispanic
1,00340%
DISTRICT 40% · STATE 19% · US 30%
Black
84834%
DISTRICT 32% · STATE 36% · US 15%
Asian
291%
DISTRICT 1% · STATE 5% · US 6%
Two+
1004%
DISTRICT 5% · STATE 5% · US 5%
Native American
30%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
40%
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
1,26950%
Female
1,25750%

School pathway

Feeds from
Marietta Middle School07–08
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
Math
47.7%
GA avg 44.6% . +3.4pp since 2021

What this means: On the Georgia Milestones, Georgia's statewide test, about 48 of every 100 students at this school do math at grade level. The Georgia average is about 45 of 100. Math scores are up about 3 points since 2021.

Georgia Milestones results by year

School yearMath
2024-2547.7%
2023-2450.0%
2022-2333.0%
2021-2244.3%
% 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
42.1%
composite math + reading, all grades
Predicted
48.0%
based on GA schools with similar FRL share
Beats by
-5.9pp
below demographic expectation

What this means: About 42% of students here test proficient in math and reading, compared with the roughly 48% 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 High School

Marietta High School's state test result (42.1% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Marietta High School this school2,52656.7%42.1%
Campbell High School
Smyrna
3,08552.1%50.8%
Lakeside High School
Atlanta
2,23447.1%41.8%
Dacula High School
Dacula
2,48155.7%45.4%
Apalachee High School
Winder
1,94960.9%29.6%
Central Gwinnett High School
Lawrenceville
2,41470.1%47.0%
Matched among Georgia high 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 High School ranks

Among high schools
MeasureThis schoolIn GeorgiaIn Cobb County
State test proficiency
ranked highest first
42.1%#175 of 411#13 of 17
Math proficiency
ranked highest first
47.7%#141 of 417
▼ 16
#11 of 17
▼ 2
Enrollment
ranked largest first
2,526#26 of 480#5 of 19
Students per teacher
ranked fewest first
14.3:1#105 of 413#1 of 17
Diversity index
ranked most diverse first
68.2%#45 of 413#8 of 17
Free and reduced lunch
ranked highest share first
56.7%#280 of 425#5 of 17
Enrollment change since 2017-18
ranked fastest growth first
+1.5%#206 of 226#7 of 10
Ranked against other public high 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
2,526
-18 (-1%) vs 2020
+123% since 1990-91, when it was 1,131
Student : Teacher
14.3:1
was 15.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,526176.214.3:157% (1,432)
2023-242,654169.115.7:160% (1,601)
2022-232,626171.915.3:155% (1,444)
2020-212,54416015.9:152% (1,317)
2017-182,489137.418.1:143% (1,071)
2015-162,17213016.7:155% (1,190)
2010-112,01613215.3:158% (1,160)
2000-011,71011614.7:121% (357)
1990-911,1317115.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Marietta High School.

Since 2017-18: students up 1% (2,489 to 2,526); teachers up 28% (137.4 to 176.2).

About Marietta High School

Marietta High School, a high-enrollment high school, is located in Marietta, Georgia. The school counts 2,526 students across grades 9 through 12. The typical figure for high schools in Georgia is about 1,120 students.

Marietta City has 8,664 students in 13 schools, and Marietta High School is one of those schools.

Marietta High School has no majority group; Hispanic students are the largest, at 40%. The rest of enrollment is 34% Black, 21% White, and 4% multiracial. Census estimates put the Hispanic share of Cobb County's population at about 15%. Marietta High School's diversity index is 68%, against a US figure of 70%.

The school's student-to-teacher ratio is about 14.3:1, with 176.2 full-time-equivalent teachers. That is 0.8 students per teacher below the 15.2:1 average for high schools in Georgia. Students eligible for free or reduced-price lunch make up 57% of enrollment.

The allk12 Grade for Marietta High School is B-. Compared with Georgia public high schools, the school scored higher than 52% on a mix of test scores, poverty-adjusted results, and recent trend.

Predicted from its free or reduced-price lunch share, Marietta High School would score about 48.0%. It scores 42.1%, 5.9 points below that figure.

Cobb County has about 775,208 residents, and the median household income is $102,738, the share of adults with a bachelor's degree or higher is 51%, and about 6% of people live in poverty. Besides Marietta High School, Cobb County has 128 other public schools.

The nearest other public school, A.L. Burruss Elementary School, is about 0.6 miles away. Inside a five-mile radius, there are at least 8 other public schools. Compared with its nearest neighbors, Marietta High School ranks 7th of 7 on average proficiency.

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

From 2020-21 to 2024-25, enrollment held near 2,526, starting from 2,544. Students per teacher fell from 15.9 in 2020-21 to 14.3 in 2024-25.

Posts about school events, clubs, and volunteer needs are welcome on this page. 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
Marietta High School
District
Marietta City
Address
1171 Whitlock Ave SW, Marietta, GA 30064
Phone
(770) 428-2631
County
Cobb County
Level
High
Grade range
09–12
Total enrollment
2,526
Teachers (FTE)
176
Student–teacher ratio
14.3:1
Free and reduced lunch
1,432 (57%)
Locale
13-City: Small
NCES ID
130351001342
Charter school
No
Virtual school
No

Related schools

Other schools in Marietta City
Other schools in Marietta
Other Marietta High schools

2 other US public schools in 3 states are named Marietta High. Marietta High School is the largest of the 3.

Nearby schools

Frequently asked questions

About Marietta High School
How many students attend Marietta High School?
Marietta High School enrolls approximately 2,526 students in grades 09-12.
What grades does Marietta High School serve?
Marietta High School serves grades 09-12.
How many students per teacher at Marietta High School?
Approximately 14.3:1 students per teacher at Marietta High School.
How diverse is Marietta High School?
Marietta High School reports a student body of 21% White, 40% Hispanic, 34% Black, 1% Asian, 4% Two or more.
Is Marietta High School public or private?
Marietta High 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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