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SCHOOL COMMUNITY·COBB COUNTY·NCES 130129000544

Murdock Elementary School

2320 Murdock Rd, Marietta, GA 30062 · (770) 509-5071 · Cobb County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL847 STUDENTS
Enrollment
847
Elementary
DISTRICT 691 · STATE 605
Student : Teacher
13.8:1
62 FTE teachers
DISTRICT 12.0:1 · STATE 13.3:1
Free / Reduced Lunch
11%
97 students
DISTRICT 56% · STATE 74%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K121%
Kindergarten9411%
Grade 112114%
Grade 213416%
Grade 315218%
Grade 416419%
Grade 517020%

This year's kindergarten class (94) is 45% smaller than its 5th grade class (170).

Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
White
45954%
DISTRICT 32% · STATE 34% · US 43%
Hispanic
8911%
DISTRICT 27% · STATE 19% · US 30%
Black
637%
DISTRICT 29% · STATE 36% · US 15%
Asian
16720%
DISTRICT 6% · STATE 5% · US 6%
Two+
678%
DISTRICT 6% · STATE 5% · US 5%
Native American
20%
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
45353%
Female
39447%

School pathway

Students here typically continue to
Murdock Elementary School→Dodgen Middle School
Based on published attendance-zone data from Cobb County. Zones change; confirm enrollment with the district.

Discussions

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Test scores

Georgia Milestones 2024-25 . % Proficient or Distinguished
English Language Arts
73.4%
GA avg 40.1% . -7.6pp since 2021
Math
81.9%
GA avg 44.6% . -0.2pp since 2021

What this means: On the Georgia Milestones, Georgia's statewide test, about 73 of every 100 students at this school read and write at grade level and about 82 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 8 points since 2021, while math scores have held steady.

Georgia Milestones results by year

School yearEnglish Language ArtsMath
2024-2573.4%81.9%
2023-2479.2%83.4%
2022-2380.8%80.6%
2021-2281.0%82.1%
% 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
78.7%
composite math + reading, all grades
Predicted
71.4%
based on GA schools with similar FRL share
Beats by
+7.3pp
above demographic expectation

What this means: About 79% of students here test proficient in math and reading, compared with the roughly 71% 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 Murdock Elementary School

Murdock Elementary School's state test result (78.7% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Murdock Elementary School this school84711.5%78.7%
Mountain View Elementary School
Marietta
83718.6%79.0%
Mount Bethel Elementary School
Marietta
8987.1%83.0%
Barnwell Elementary School
Alpharetta
67215.8%82.3%
Sope Creek Elementary School
Marietta
1,1049.1%78.4%
Cogburn Woods Elementary School
Alpharetta
78614.0%74.3%
Matched among Georgia elementary 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 Murdock Elementary School ranks

Among elementary schools
MeasureThis schoolIn GeorgiaIn Cobb County
State test proficiency
ranked highest first
78.7%#34 of 1,208#7 of 72
Math proficiency
ranked highest first
81.9%#36 of 1,215
▼ 9
#7 of 72
▼ 1
Reading proficiency
ranked highest first
73.4%#47 of 1,215
▼ 23
#9 of 72
▼ 2
3-year test score change
ranked biggest drop first
-3.9pp#183 of 1,183#21 of 72
Enrollment
ranked largest first
847#183 of 1,324#16 of 78
Students per teacher
ranked fewest first
13.8:1#760 of 1,301#70 of 77
Diversity index
ranked most diverse first
64.5%#326 of 1,301#31 of 77
Free and reduced lunch
ranked highest share first
11.5%#1,284 of 1,312#73 of 78
Enrollment change since 2017-18
ranked steepest decline first
-16.4%#321 of 854#23 of 57
Ranked against other public elementary 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
847
-68 (-7%) vs 2020
-11% since 1990-91, when it was 952
Student : Teacher
13.8:1
was 14.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2584761.613.8:111% (97)
2023-2491163.614.3:113% (120)
2022-2390261.514.7:18% (70)
2020-219156214.8:16% (52)
2017-181,01360.516.7:19% (95)
2015-169495716.6:110% (95)
2010-118126213.1:110% (84)
2000-018305814.3:13% (29)
1990-919526814.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Murdock Elementary School.

Since 2017-18: students down 16% (1,013 to 847); teachers up 2% (60.5 to 61.6).

About Murdock Elementary School

Murdock Elementary School is a mid-sized elementary school in Georgia, with an address in Marietta. The school serves pre-K through 5. Enrollment is 847 students. That is 40% larger than the average of about 605 students for elementary schools in Georgia.

Cobb County serves 105,738 students across 110 schools.

More than half of the students at Murdock Elementary School are White (54%). The rest of enrollment is 20% Asian, 11% Hispanic, 8% multiracial, and 7% Black. The diversity index for Murdock Elementary School is 64%. For US public schools as a whole it is 70%.

There are 61.6 full-time-equivalent teachers at the school, a ratio of 13.8:1. The 13.3:1 average for elementary schools in Georgia is close to this figure. On the income side, 11% of students qualify for free or reduced-price lunch. Among public schools in Cobb County, the average eligibility rate is 53%.

The school's average proficiency rate across its state test results is 78.7%. For its free or reduced-price lunch share, the predicted value is 71.4%.

Cobb County is the school's county. There, the median household earns about $102,738 a year, roughly 51% of adults have a four-year degree or more, and about 6% of residents live below the federal poverty line. Public schools in Cobb County number 129, with about 116,609 students.

Measured in a straight line, Pope High School is about 1.3 miles from Murdock Elementary School. The five-mile area around Murdock Elementary School holds at least 8 other public schools. Among 9 nearby schools that report test results, Murdock Elementary School ranks 3rd on proficiency.

Murdock Elementary School falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment decreased by 7% across 4 years, from 915 in 2020-21 to 847 in 2024-25. The ratio was 14.8:1 in 2020-21 and 13.8:1 in 2024-25.

Use the discussion section to ask about special education services, counseling, and support programs at Murdock Elementary School. You can also rate the school on this page.

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
Murdock Elementary School
District
Cobb County
Address
2320 Murdock Rd, Marietta, GA 30062
Phone
(770) 509-5071
County
Cobb County
Level
Elementary
Grade range
PK–05
Total enrollment
847
Teachers (FTE)
62
Student–teacher ratio
13.8:1
Free and reduced lunch
97 (11%)
Locale
21-Suburb: Large
NCES ID
130129000544
Charter school
No
Virtual school
No

Related schools

Other schools in Cobb County
Other schools in Marietta
Other Murdock Elementary schools

4 other US public schools in 4 states are named Murdock Elementary. Murdock Elementary School is the largest of the 5.

Nearby schools

Frequently asked questions

About Murdock Elementary School
How large is Murdock Elementary School?
Murdock Elementary School enrolls approximately 847 students in grades PK-05.
What age range does Murdock Elementary School serve?
Murdock Elementary School serves students from grade PK through grade 05.
How many teachers does Murdock Elementary School have?
Murdock Elementary School employs 62 FTE teachers, for a student-to-teacher ratio of 13.8:1.
What is the student diversity at Murdock Elementary School?
Student demographics at Murdock Elementary School are roughly 54% White, 11% Hispanic, 7% Black, 20% Asian, 8% Two or more.
Who oversees Murdock Elementary School?
Murdock Elementary 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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