Enrollment
884
Georgia · 2024-25 NCES data
Middle school (grades 6-8) · Marietta, GA
Simpson Middle School
Federal NCES profile for Simpson Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 130129002023
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 12
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Simpson Middle School earns 41/100 on the Resource Investment Index, with class sizes larger than 70% of Georgia schools.
- #9 of 12
- middle schools in Marietta · Resource Index
- 41
- Resource Index · Typical
- 15.5:1
- large classes for Georgia
- 11.7%
- free-lunch eligible
Simpson Middle School has class sizes larger than 70% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Simpson Middle School ranks #9 of 12 middle schools in Marietta, GA.
School address
Teachers (FTE)
57.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 14.4:1 Georgia avg
+8% vs state
Free-lunch eligible
11.7%
vs 60.7% Georgia avg
-81% vs state
Student-teacher ratio in context
How Simpson Middle School compares with Georgia and U.S. medians
What stands out at Simpson Middle School
Simpson Middle School is a lower-poverty, mid-sized middle school in Marietta, Georgia, enrolling 884 students.
Class loads run somewhat heavier than typical: 15.5:1 puts it in the larger third of Georgia schools by student-teacher ratio.
Comparatively few students face economic hardship here, 11.7% free-meal eligibility runs 81% below the Georgia average.
Enrollment of 884 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,314 scored Georgia schools.
Among 226 similarly sized, similarly resourced-need Georgia schools statewide, it ranks #191, in the lower tier once campus size and economic need are matched.
Its student body is led by White (56%) and Hispanic or Latino (15%) (diversity index 64/100).
Counselor access is stretched at roughly 442 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 22.3% of students chronically absent per the 2021-22 civil-rights collection.
Discipline events run high: 186 in- and out-of-school suspensions were reported for 884 students in the 2021-22 Civil Rights Data Collection.
Among Marietta's middle schools, it stands alongside East Cobb Middle School (1,352 students): Simpson Middle School is smaller than that campus by headcount and runs leaner classes (15.5:1 vs 16.9:1).
Cobb County also operates Campbell High School (3,085 students) and Osborne High School (2,790 students) alongside Simpson Middle School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Simpson Middle School compares
Simpson Middle School on the metrics families compare, against Georgia and U.S. means.
| Metric | This school | vs Georgia | Georgia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.5:1 | ▲ 8% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 11.7% | ▼ 81% | 60.7% | 51.7% |
| Enrollment | 884 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.5:1
Leaner classes than 42% of US schools, a middle-of-the-pack class size.
884
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
11.7%
free-lunch eligible
- 81% below the Georgia average of 60.7%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.5:1
students per teacher
- 8% above state mean
Top 70% in Georgia - lower ratio than 30% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.3%
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
$13,203
per pupil, district-wide
- below Georgia avg of $13,863
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 442 students, the combined health-and-guidance staffing load for this school.
Discipline context
102
in-school suspensions + 84 out-of-school
Suspension rate: 11.5 per 100 students. Combined in-school and out-of-school rate: 21.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 55.8%
Hispanic or Latino 14.9%
Asian 12.7%
African American 10.6%
Two or More 5.7%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 55.8% of enrollment.
Student-body diversity index 63.6/100
Simpson diversity index - at 63.6, Simpson Middle School is more mixed than the Georgia school average of 50.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Cobb County, which includes Simpson Middle School.
$13,203
Per student
-5%
vs Georgia
Avg $13,863
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 52.6%
State 35.4%
Federal 11.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Simpson Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Campbell High School | Larger | Higher economic need | Higher S:T ratio |
| Osborne High School | Larger | Higher economic need | Higher S:T ratio |
| Walton High School | Larger | Similar economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Higher S:T ratio |
| North Cobb High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Simpson Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,085
- Students per teacher
- 18.8:1
- Resource Index
- 37/100
- 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.
East Cobb Middle School
Standard public school
1,352 students 16.9:1 students per teacher
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
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Georgia, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~884 students)
Similar student-teacher ratio (~15.5:1)
Next steps
Verify locally before acting on Simpson Middle School's federal record.
- Compare Simpson Middle School against another school. Compare schools
- Cobb County's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Simpson Middle School
How many students attend Simpson Middle School?
Simpson Middle School has 884 students enrolled. It is a middle school in Marietta, GA.
What is the student-teacher ratio at Simpson Middle School?
The student-teacher ratio at Simpson Middle School is 15.5:1, which is 8% higher than the Georgia average of 14.4:1 and 1% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Simpson Middle School?
11.7% of students at Simpson Middle School are eligible for free lunch, compared to the Georgia average of 60.7%.
What is the racial and ethnic makeup of Simpson Middle School?
The largest demographic group at Simpson Middle School is White at 55.8% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.6/100.
What is the Resource Investment Index for Simpson Middle School?
Simpson Middle School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Simpson Middle School rank among middle schools in Marietta?
By Resource Investment Index, Simpson Middle School ranks #9 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.
Is Simpson Middle School a good school?
Simpson Middle School earns 41/100 on the Resource Investment Index, with class sizes larger than 70% of Georgia schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Cobb County?
Besides Simpson 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.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.