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Teachers: what resource would make the biggest difference at East Cobb Middle School this year?
Community prompt from u/allk12. Replies below.
Enrollment
1,352
Middle
DISTRICT 921 · STATE 763
SCHOOL COMMUNITY·COBB COUNTY·NCES 130129000536
East Cobb Middle School
825 Terrell Mill Rd SE, Marietta, GA 30067 · (770) 578-2740 · Cobb County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL1,352 STUDENTS
C
allk12 Grade
Scored higher than 32% 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.
- CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C-Three-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
Student : Teacher
15.8:1
86 FTE teachers
DISTRICT 15.1:1 · STATE 14.1:1
Free / Reduced Lunch
66%
899 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
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 423 | 31% |
| Grade 7 | 462 | 34% |
| Grade 8 | 467 | 35% |
Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
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
School pathway
Students here typically continue to
East Cobb Middle School→Wheeler High School
Feeds from
Based on published attendance-zone data from Cobb County. Zones change; confirm enrollment with the district.
Test scores
Georgia Milestones 2024-25 . % Proficient or DistinguishedEnglish Language Arts
34.2%
GA avg 40.1% . +0.5pp since 2021
Math
36.2%
GA avg 44.6% . +3.1pp since 2021
What this means: On the Georgia Milestones, Georgia's statewide test, about 34 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all Georgia schools, those numbers are about 40 and 45. Reading and writing scores have held steady since 2021, while math scores are up about 3 points.
Georgia Milestones results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 34.2% | 36.2% |
| 2023-24 | 36.4% | 35.1% |
| 2022-23 | 35.6% | 32.9% |
| 2021-22 | 33.6% | 33.1% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
36.1%
composite math + reading, all grades
Predicted
43.0%
based on GA schools with similar FRL share
Beats by
-6.9pp
below demographic expectation
What this means: About 36% of students here test proficient in math and reading, compared with the roughly 43% 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 East Cobb Middle School
East Cobb Middle School's state test result (36.1% proficient) is higher than 0 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| East Cobb Middle School this school | 1,352 | 66.5% | 36.1% |
| Marietta Middle School Marietta | 1,352 | 67.8% | 45.4% |
| Carrollton Middle School Carrollton | 1,280 | 58.5% | 43.0% |
| Dacula Middle School Dacula | 1,866 | 65.2% | 49.6% |
| Pinckneyville Middle School Peachtree Corners | 1,157 | 57.0% | 42.3% |
| Griffin Middle School Smyrna | 991 | 55.0% | 44.9% |
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 East Cobb Middle School ranks
Among middle schools| Measure | This school | In Georgia | In Cobb County |
|---|---|---|---|
| State test proficiency ranked highest first | 36.1% | #249 of 470 | #22 of 28 |
| Math proficiency ranked highest first | 36.2% | #264 of 474 ▼ 17 | #22 of 28 no change |
| Reading proficiency ranked highest first | 34.2% | #245 of 474 ▲ 1 | #22 of 28 no change |
| 3-year test score change ranked biggest gain first | +1.8pp | #330 of 465 | #20 of 28 |
| Enrollment ranked largest first | 1,352 | #33 of 487 | #2 of 28 |
| Students per teacher ranked fewest first | 15.8:1 | #374 of 471 | #18 of 28 |
| Diversity index ranked most diverse first | 69.5% | #42 of 471 | #8 of 28 |
| Free and reduced lunch ranked highest share first | 66.5% | #304 of 479 | #10 of 28 |
| Enrollment change since 2017-18 ranked fastest growth first | +7.0% | #86 of 144 | N/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 2024-25Enrollment
1,352
-78 (-5%) vs 2020
+17% since 1990-91, when it was 1,156
Student : Teacher
15.8:1
was 16.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,352 | 85.6 | 15.8:1 | 66% (899) |
| 2023-24 | 1,345 | 83.1 | 16.2:1 | 67% (897) |
| 2022-23 | 1,334 | 80.1 | 16.6:1 | 57% (764) |
| 2020-21 | 1,430 | 86 | 16.6:1 | 51% (733) |
| 2017-18 | 1,263 | 72.5 | 17.4:1 | 58% (728) |
| 2015-16 | 1,230 | 73 | 16.9:1 | 63% (781) |
| 2010-11 | 1,305 | 80 | 16.3:1 | 65% (854) |
| 2000-01 | 1,322 | 92 | 14.4:1 | 26% (343) |
| 1990-91 | 1,156 | 73 | 15.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for East Cobb Middle School.
Since 2017-18: students up 7% (1,263 to 1,352); teachers up 18% (72.5 to 85.6).
About East Cobb Middle School
East Cobb Middle School is a high-enrollment middle-grades school serving families in Marietta, Georgia. The school's 1,352 students are in grades 6 through 8. Enrollment is 77% higher than the average for middle schools in Georgia, which is about 763.
Cobb County enrolls 105,738 students, and its 110 schools include East Cobb Middle School.
Black students form the largest group at East Cobb Middle School, 38% of enrollment. Other groups make up 34% Hispanic, 20% White, 5% multiracial, and 3% Asian. County-wide, 27% of Cobb County residents are Black. East Cobb Middle School has a diversity index of 70%, compared with 70% for all US public school students.
The school reports 85.6 full-time-equivalent teachers, which works out to about 15.8 students per teacher. For comparison, middle schools in Georgia average 14.1:1. Free or reduced-price lunch eligibility covers 66% of students. It compares with 53% for public schools in Cobb County.
Measured against Georgia public middle schools, East Cobb Middle School receives a C. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
When test results are adjusted for free or reduced-price lunch eligibility, East Cobb Middle School is 6.9 points below its prediction. Actual: 36.1%. Predicted: 43.0%.
Across Cobb County, median household income is about $102,738, roughly 51% of adults have a four-year degree or more, and the share of residents below the poverty line is 6%. The public schools of Cobb County number 129 and enroll about 116,609.
The nearest public school is Brumby Elementary School, at about 0.1 miles. There are at least 8 other public schools within five miles. Of the 7 nearby schools with scores, including this one, East Cobb Middle School is 4th on average proficiency.
The school's setting, by NCES definition, is Suburb: Large: in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
From 2020-21 to 2024-25, East Cobb Middle School went from 1,430 students to 1,352.
Threads on this page can be about school events, clubs, and volunteer needs. Anyone with firsthand experience at this school can post or comment.
Cobb County at a glance
View full county profilePopulation
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
Related schools
Other schools in Cobb County
- Campbell High SchoolHigh · 3,085 students
- Osborne High SchoolHigh · 2,790 students
- Walton High SchoolHigh · 2,705 students
- Pebblebrook High SchoolHigh · 2,574 students
- North Cobb High SchoolHigh · 2,463 students
- Wheeler High SchoolHigh · 2,401 students
Other schools in Marietta
- Osborne High SchoolHigh · 2,790 students
- Walton High SchoolHigh · 2,705 students
- Marietta High SchoolHigh · 2,526 students
- Wheeler High SchoolHigh · 2,401 students
- Lassiter High SchoolHigh · 2,005 students
- Pope High SchoolHigh · 1,793 students
Nearby schools
- Brumby Elementary School0.1 mi · 963
- Sope Creek Elementary School0.5 mi · 1,104
- Cobb Horizon High School2.0 mi · 927
- Sedalia Park Elementary School2.0 mi · 634
- Destinations Career Academy of Georgia (Virtual)2.1 mi · 587
- Powers Ferry Elementary School2.2 mi · 475
Frequently asked questions
About East Cobb Middle SchoolHow large is East Cobb Middle School?
East Cobb Middle School enrolls approximately 1,352 students in grades 06-08.
Is East Cobb Middle School an elementary, middle, or high school?
East Cobb Middle School is a middle school covering grades 06-08.
How many students per teacher at East Cobb Middle School?
Approximately 15.8:1 students per teacher at East Cobb Middle School.
What is the student diversity at East Cobb Middle School?
Student demographics at East Cobb Middle School are roughly 20% White, 34% Hispanic, 38% Black, 3% Asian, 5% Two or more.
Is East Cobb Middle School public or private?
East Cobb Middle School is a public K-12 school, overseen by Cobb County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.