The public high schools with the lowest student-to-teacher ratios in Cobb County, Georgia
17 public high schools in Cobb County, Georgia appear in this ranking of the public high schools with the lowest student-to-teacher ratios, ranked by the fewest students per teacher, a proxy for class size and staffing. Marietta High School leads the list at 14.3:1, against a median of 17.1:1 across the ranked schools.
The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.
| # | School | City | Ratio |
|---|---|---|---|
| 1 | Marietta High School | Marietta, GA | 14.3:1 |
| 2 | Kennesaw Mountain High School | Kennesaw, GA | 15.5:1 |
| 3 | Osborne High School | Marietta, GA | 15.7:1 |
| 4 | South Cobb High School | Austell, GA | 15.8:1 |
| 5 | Allatoona High School | Acworth, GA | 16.0:1 |
| 6 | Wheeler High School | Marietta, GA | 16.4:1 |
| 7 | Sprayberry High School | Marietta, GA | 16.8:1 |
| 8 | North Cobb High School | Kennesaw, GA | 17.0:1 |
| 9 | Pebblebrook High School | Mableton, GA | 17.1:1 |
| 10 | Kell High School | Marietta, GA | 17.2:1 |
| 11 | McEachern High School | Powder Springs, GA | 17.3:1 |
| 12 | Pope High School | Marietta, GA | 17.4:1 |
| 13 | Campbell High School | Smyrna, GA | 17.5:1 |
| 14 | Lassiter High School | Marietta, GA | 18.1:1 |
| 15 | Hillgrove High School | Powder Springs, GA | 18.2:1 |
| 16 | Harrison High School | Kennesaw, GA | 18.7:1 |
| 17 | Walton High School | Marietta, GA | 19.1:1 |
Lowest ratio rankings at a wider scope
Other rankings for Cobb County, Georgia
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