Enrollment
991
Georgia · 2024-25 NCES data
Middle school (grades 6-8) · Smyrna, GA
Federal NCES profile for Griffin Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
The verdict
Griffin Middle School earns 52/100 on the Resource Investment Index, with class sizes larger than 70% of Georgia schools. It is also more racially and ethnically mixed than most Georgia schools.
Griffin Middle School has class sizes larger than 70% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Griffin Middle School ranks #1 of 13 public schools in Smyrna, GA.
Enrollment
991
Georgia · 2024-25 NCES data
Teachers (FTE)
64.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 14.4:1 Georgia avg
+8% vs state
Free-lunch eligible
43.8%
vs 60.7% Georgia avg
-28% vs state
How Griffin Middle School compares with Georgia and U.S. medians
Slightly above state median
15.5:1 - 1.1 above the Georgia state median of 14.4:1, indicating larger average class loads than typical schools in the state.
Griffin Middle School is a mid-sized middle school in Smyrna, Georgia, enrolling 991 students.
Class loads run somewhat heavier than typical: 15.5:1 puts it in the larger third of Georgia schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 43.8% of students eligible for free meals.
Enrollment of 991 puts it in the larger third of Georgia schools by headcount.
Its Resource Investment Index lands in the upper third of 2,314 scored Georgia schools.
Among 364 similarly sized, similarly resourced-need Georgia schools statewide, it ranks #16, a top-tier result once campus size and economic need are matched.
Its student body is led by African American (37%) and Hispanic or Latino (30%), more mixed than most schools in the state (diversity index 71/100).
Counselor coverage is strong, about 248 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 20.8% of students chronically absent per the 2021-22 civil-rights collection.
Discipline events run high: 387 in- and out-of-school suspensions were reported for 991 students in the 2021-22 Civil Rights Data Collection.
Among Smyrna's middle schools, it stands alongside Campbell Middle School (1,368 students): Griffin Middle School is smaller than that campus by headcount and runs leaner classes (15.5:1 vs 20.1:1).
Cobb County also operates Campbell High School (3,085 students) and Osborne High School (2,790 students) alongside Griffin 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
Griffin 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 | 43.8% | ▼ 28% | 60.7% | 51.7% |
| Enrollment | 991 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: African American at 37.2% of enrollment.
Simpson diversity index - at 71.1, Griffin Middle School is more mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Cobb County, which includes Griffin Middle School.
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.
| 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 | Higher S:T ratio |
| Walton High School | Larger | Lower economic need | Higher S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Higher S:T ratio |
| North Cobb High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Griffin Middle School's own figures; each column derives from NCES Common Core of Data.
1 comparable middle schools (grades 6-8) serving the same city.
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.
Next steps
Verify locally before acting on Griffin Middle School's federal record.
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.
Griffin Middle School has 991 students enrolled. It is a middle school in Smyrna, GA.
The student-teacher ratio at Griffin 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.
43.8% of students at Griffin Middle School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Griffin Middle School is African American at 37.2% of enrollment, in Smyrna, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.1/100.
Griffin Middle School has a Resource Investment Index of 52/100 (higher 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).
By Resource Investment Index, Griffin Middle School ranks #1 of 13 public schools in Smyrna, GA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Smyrna on the city page.
Griffin Middle School earns 52/100 on the Resource Investment Index, with class sizes larger than 70% of Georgia schools. It is also more racially and ethnically mixed than most 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.
Besides Griffin 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.
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.
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PlainSchools, “Griffin Middle School, Smyrna GA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/griffin-middle-school-ga
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