- Enrollment
- 3,085
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
Middle school (grades 6-8) · Marietta, GA
East Cobb Middle School
Federal NCES profile for East Cobb Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 130129000536
👥 S:T ratio 32
🌟 Gifted program 70
🎓 Counselors 10
📋 Attendance 19
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
East Cobb Middle School earns 33/100 on the Resource Investment Index, with class sizes larger than 84% of Georgia schools.
- #12 of 12
- middle schools in Marietta · Resource Index
- 33
- Resource Index · Typical
- 16.9:1
- large classes for Georgia
- 46.0%
- free-lunch eligible
East Cobb Middle School has class sizes larger than 84% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, East Cobb Middle School ranks #12 of 12 middle schools in Marietta, GA.
School address
CCD year-over-year · 2022-23 → 2023-24
+11 students YoY
East Cobb Middle School held near 1,345 students from 2022-23 to 2023-24 (+11 headcount).
Teacher FTE added 80.1 → 83.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+11 students YoY 130129000536 · Marietta, GA Middle · MID · TRAD
1,352 enr · 16.9:1 · 46.0% lunch · RII 33
Nearest enrollment peer: Campbell High School (3,085 students)
East Cobb Middle School held near 1,345 students from 2022-23 to 2023-24 (+11 headcount). Teacher FTE added 80.1 → 83.1 across the same CCD years. Read with this school → · District book → · Georgia schools → · Find another →
East Cobb Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Campbell High
Campbell High School
3,085 students
- Osborne High S
Osborne High School
2,790 students
- Walton High Sc
Walton High School
2,705 students
- Pebblebrook Hi
Pebblebrook High School
2,574 students
- North Cobb Hig
North Cobb High School
2,463 students
- This school
East Cobb Middle School
1,352 students
What this shows East Cobb Middle School reports 1,352 students on the CCD universe file.
How East Cobb Middle School compares
East Cobb Middle School held steady on CCD headcount: ratios and free-lunch share vs Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.9:1 | ▲ 17% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 46.0% | ▼ 24% | 60.7% | 51.7% |
| Enrollment | 1,352 | top 10% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.9:1
Leaner classes than 31% of US schools, heavier class loads than most.
1,352
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
46.0%
free-lunch eligible
- 24% below the Georgia average of 60.7%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.9:1
students per teacher
- 17% above state mean
Top 84% in Georgia - lower ratio than 16% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
32.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,680
per pupil, district-wide
- above Georgia avg of $14,615
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 451 students, the combined health-and-guidance staffing load for this school.
Discipline context
283
in-school suspensions + 182 out-of-school
Suspension rate: 20.9 per 100 students. Combined in-school and out-of-school rate: 34.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 37.8%
Hispanic or Latino 34.5%
White 20.1%
Two or More 4.6%
Asian 2.7%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 37.8% of enrollment.
Student-body diversity index 69.5/100
Simpson diversity index - at 69.5, East Cobb Middle School is more mixed than the Georgia school average of 50.0.
Programs
Gifted & talented Yes
District finance for Cobb County reports $14,680 per pupil (NCES F-33) - open the district page for the full revenue mix.
How East Cobb Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell High School | Larger | Similar economic need | Higher S:T ratio |
| Osborne High School | Larger | Higher economic need | Similar S:T ratio |
| Walton High School | Larger | Lower economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Similar S:T ratio |
| North Cobb High School | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to East Cobb Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,790
- Students per teacher
- 17:1
- Resource Index
- 44/100
- Enrollment
- 2,705
- Students per teacher
- 19.7:1
- Resource Index
- 43/100
- Enrollment
- 2,574
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
- Enrollment
- 2,463
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
Similar middle schools in Marietta
6 comparable middle schools (grades 6-8) serving the same city.
Marietta Middle School
Standard public school
1,352 students 13.9:1 students per teacher
Dickerson Middle School
Standard public school
1,225 students 17.5:1 students per teacher
Dodgen Middle School
Standard public school
1,178 students 16.8:1 students per teacher
Hightower Trail Middle School
Standard public school
944 students 14.8:1 students per teacher
Mabry Middle School
Standard public school
938 students 16.5:1 students per teacher
Daniell Middle School
Standard public school
884 students 13.6:1 students per teacher
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,352 students)
Frequently asked questions about East Cobb Middle School
How many students attend East Cobb Middle School?
East Cobb Middle School has 1,352 students enrolled. It is a middle school in Marietta, GA. CCD year-over-year: 1,334 (2022-23) → 1,345 (2023-24), nearly flat (+11).
What is the student-teacher ratio at East Cobb Middle School?
The student-teacher ratio at East Cobb Middle School is 16.9:1, which is 17% higher than the Georgia average of 14.4:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at East Cobb Middle School?
46.0% of students at East Cobb Middle School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of East Cobb Middle School?
The largest demographic group at East Cobb Middle School is African American at 37.8% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.5/100.
What is the Resource Investment Index for East Cobb Middle School?
East Cobb Middle School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does East Cobb Middle School rank among middle schools in Marietta?
By Resource Investment Index, East Cobb Middle School ranks #12 of 12 middle schools in Marietta, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Marietta on the city page.
What other schools are in Cobb County?
Besides East Cobb Middle School, Cobb County also operates Campbell High School (3,085 students), Osborne High School (2,790 students), and Walton High School (2,705 students). See the Cobb County district page for the complete list.