Enrollment
571
Georgia · 2024-25 NCES data
Other / mixed grade configuration · Marietta, GA
Federal NCES profile for Addison Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Addison Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 76% of Georgia schools.
Addison Elementary School has class sizes smaller than 76% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Addison Elementary School ranks #18 of 30 schools in Marietta, GA.
Enrollment
571
Georgia · 2024-25 NCES data
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 14.4:1 Georgia avg
-14% vs state
Free-lunch eligible
18.6%
vs 60.7% Georgia avg
-69% vs state
How Addison Elementary School compares with Georgia and U.S. medians
Smaller classes than state median
12.4:1 - 2.0 below the Georgia state median of 14.4:1, indicating smaller average class loads than typical schools in the state.
Addison Elementary School is a lower-poverty, mid-sized combined-grade school in Marietta, Georgia, enrolling 571 students.
Class sizes run a bit leaner than typical: 12.4:1 puts it in the smaller third of Georgia schools by student-teacher ratio.
Comparatively few students face economic hardship here, 18.6% free-meal eligibility runs 69% below the Georgia average.
With 571 students, its enrollment sits close to the Georgia median campus size.
Its Resource Investment Index lands in the upper third of 2,314 scored Georgia schools.
Against 203 statewide peers matched on enrollment and economic need, it ranks mid-pack at #101.
Its student body is led by White (49%) and Hispanic or Latino (20%) (diversity index 69/100).
Counselor availability sits well past the ASCA benchmark, roughly 381 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.4% of students chronically absent per the 2021-22 civil-rights collection.
Among Marietta's public schools, it stands alongside Sope Creek Elementary School (1,104 students): Addison Elementary School is smaller than that campus by headcount and runs leaner classes (12.4:1 vs 15.3:1).
Cobb County also operates Campbell High School (3,085 students) and Osborne High School (2,790 students) alongside Addison Elementary 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
Addison Elementary 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 | 12.4:1 | ▼ 14% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 18.6% | ▼ 69% | 60.7% | 51.7% |
| Enrollment | 571 | top 59% | - | - |
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: White at 49.0% of enrollment.
Simpson diversity index - at 68.6, Addison Elementary School is more mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Cobb County, which includes Addison Elementary 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 | Higher 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 | Higher economic need | Higher S:T ratio |
Comparisons are relative to Addison Elementary School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) 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 Addison Elementary 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.
Addison Elementary School has 571 students enrolled. It is a public school in Marietta, GA.
The student-teacher ratio at Addison Elementary School is 12.4:1, which is 14% lower than the Georgia average of 14.4:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
18.6% of students at Addison Elementary School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Addison Elementary School is White at 49.0% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.6/100.
Addison Elementary School has a Resource Investment Index of 47/100 (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).
By Resource Investment Index, Addison Elementary School ranks #18 of 30 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 schools in Marietta on the city page.
Addison Elementary School earns 47/100 on the Resource Investment Index, with class sizes smaller than 76% 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.
Besides Addison Elementary 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, “Addison Elementary School, Marietta 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/addison-elementary-school-ga
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