Enrollment
2,005
Georgia · 2024-25 NCES data
High school (grades 9-12) · Marietta, GA
Federal NCES profile for Lassiter High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Lassiter High School earns 55/100 on the Resource Investment Index, with class sizes larger than 94% of Georgia schools. It is also one of the largest schools in Georgia.
Lassiter High School has class sizes larger than 94% of Georgia schools. Computed live against every Georgia school reporting to NCES.
By Resource Investment Index, Lassiter High School ranks #2 of 9 high schools in Marietta, GA.
Enrollment
2,005
Georgia · 2024-25 NCES data
Teachers (FTE)
107.0
Federal CCD staff survey
Students per teacher
18.7:1
vs 14.4:1 Georgia avg
+30% vs state
Free-lunch eligible
6.0%
vs 60.7% Georgia avg
-90% vs state
How Lassiter High School compares with Georgia and U.S. medians
Larger classes than state median
18.7:1 - 4.3 above the Georgia state median of 14.4:1, indicating larger average class loads than typical schools in the state.
Lassiter High School is a lower-poverty, large high school in Marietta, Georgia, enrolling 2,005 students.
Class loads run heavy: 18.7:1 is larger than about 94% of Georgia schools and 30% above the 14.4:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 6.0% free-meal eligibility runs 90% below the Georgia average.
By headcount it is one of the larger campuses in Georgia, bigger than 97% of state schools at 2,005 students.
Its Resource Investment Index sits near the middle of the pack among 2,314 scored Georgia schools.
Against 69 statewide peers matched on enrollment and economic need, it ranks mid-pack at #29.
Its student body is led by White (67%) and Hispanic or Latino (12%) (diversity index 53/100).
On the academic-pipeline side it reports 26 Advanced Placement courses.
Counselor access is stretched at roughly 401 students per counselor, well above the ASCA-recommended 250:1 ceiling.
15.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Marietta's high schools, it stands alongside Osborne High School (2,790 students): Lassiter High School is smaller than that campus by headcount and runs heavier classes (18.7:1 vs 17:1).
Cobb County also operates Campbell High School (3,085 students) and Osborne High School (2,790 students) alongside Lassiter High 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
Lassiter High 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 | 18.7:1 | ▲ 30% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 6.0% | ▼ 90% | 60.7% | 51.7% |
| Enrollment | 2,005 | top 3% | - | - |
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 66.6% of enrollment.
Simpson diversity index - at 52.7, Lassiter High School is more mixed than the Georgia school average of 50.0.
District-wide per-pupil expenditure for Cobb County, which includes Lassiter High 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 | Similar S:T ratio |
| Osborne High School | Larger | Higher economic need | Lower S:T ratio |
| Walton High School | Larger | Similar economic need | Similar S:T ratio |
| Pebblebrook High School | Larger | Higher economic need | Similar S:T ratio |
| North Cobb High School | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Lassiter High School's own figures; each column derives from NCES Common Core of Data.
6 comparable high schools (grades 9-12) 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 Lassiter High 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.
Lassiter High School has 2,005 students enrolled. It is a high school in Marietta, GA.
The student-teacher ratio at Lassiter High School is 18.7:1, which is 30% higher than the Georgia average of 14.4:1 and 19% higher than the national average of 15.7:1.
6.0% of students at Lassiter High School are eligible for free lunch, compared to the Georgia average of 60.7%.
The largest demographic group at Lassiter High School is White at 66.6% of enrollment, in Marietta, GA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.7/100.
Lassiter High School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Lassiter High School ranks #2 of 9 high 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 high schools in Marietta on the city page.
Lassiter High School earns 55/100 on the Resource Investment Index, with class sizes larger than 94% of Georgia schools. It is also one of the largest schools in Georgia. 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 Lassiter High 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, “Lassiter High 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/lassiter-high-school-ga
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