Public schools in Marietta, GA
59 open public schools with an address in Marietta, operated by 3 education agencies. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
59
NCES preliminary directory 2025–26
Reported students
52,999
59 schools reporting · NCES 2024–25
Median student–teacher ratio
13.2:1
Georgia median 13.7:1
Charter schools
1
1 magnet · 0 virtual
An overview of Marietta public schools
The federal directory lists 59 public schools in Marietta, GA: 37 elementary, 12 middle, 10 high. The 59 schools that reported 2024–25 membership enrolled 52,999 students, an average of 898 per school. The largest campus is Osborne High School (2,790 students), and the largest elementary school is Sope Creek Elementary School (1,104).
Cobb County operates the most schools here (46), and 2 regular districts have at least one Marietta campus, plus 1 charter, service, or other agency. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 13.2:1, similar to the statewide school median of 13.7:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
School choice options include 1 charter school, 1 magnet school. Application windows and lotteries usually open months before the school year.
Among 9 high and combined schools with 2021–22 civil-rights data, 8 reported students enrolled in AP courses and 8 of 10 reported computer-science classes. Confirm current course catalogs directly with each school.
About 45% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving Marietta
Elementary schools in Marietta
37Middle schools in Marietta
12| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Daniell Middle School Cobb County | 06–08 | 884 | 15.1:1 | |
| Dickerson Middle School Cobb County | 06–08 | 1,225 | 17.7:1 | |
| Dodgen Middle School Cobb County | 06–08 | 1,178 | 16.2:1 | |
| East Cobb Middle School Cobb County | 06–08 | 1,352 | 15.8:1 | |
| Hightower Trail Middle School Cobb County | 06–08 | 944 | 15.6:1 | |
| Mabry Middle School Cobb County | 06–08 | 938 | 16.5:1 | |
| Marietta Middle School Marietta City | 07–08 | 1,352 | 12.9:1 | |
| Marietta Sixth Grade Academy Marietta City | 06–06 | 678 | 12.2:1 | |
| McCleskey Middle School Cobb County | 06–08 | 540 | 12.5:1 | |
| Pearson Middle School Cobb County | 06–08 | 806 | 13.3:1 | |
| Simpson Middle School Cobb County | 06–08 | 884 | 15.3:1 | |
| Smitha Middle School Cobb County | 06–08 | 866 | 13.6:1 |
High schools in Marietta
10| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| George W. Hartmann Center Marietta City | 06–12 | 4 | 4:1 | |
| Kell High School Cobb County | 09–12 | 1,587 | 17.2:1 | |
| Lassiter High School Cobb County | 09–12 | 2,005 | 18.1:1 | |
| Marietta High School Marietta City | 09–12 | 2,526 | 14.3:1 | |
| Marietta Regional Youth Detention Center Department of Juvenile Justice · Alternative School | 05–12 | 18 | 4.5:1 | |
| Osborne High School Cobb County | 09–12 | 2,790 | 15.7:1 | |
| Pope High School Cobb County | 09–12 | 1,793 | 17.4:1 | |
| Sprayberry High School Cobb County | 09–12 | 1,769 | 16.8:1 | |
| Walton High School Cobb County · Charter | 09–12 | 2,705 | 19.1:1 | |
| Wheeler High School Cobb County · Magnet | 09–12 | 2,401 | 16.4:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White37.9%
- Hispanic28.2%
- Black19.8%
- Asian8.5%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0%
- Multiracial5.2%
Enrollment-weighted across 59 Marietta schools with NCES CCD 2024–25 race/ethnicity counts (52,999 students). Privacy suppression can leave small gaps.
Questions about public schools in Marietta
How many public schools are in Marietta, GA?
The current NCES directory lists 59 open public schools with a location address in Marietta: 37 elementary, 12 middle, 10 high. Together they reported 52,999 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve Marietta?
Schools with an address in Marietta belong to 3 education agencies, led by Cobb County (46 schools), Marietta City (12 schools), Department of Juvenile Justice (1 school). A mailing city is not an attendance boundary; confirm the district for a specific address.
What is the largest public high school in Marietta?
Osborne High School reported the largest high-school enrollment in Marietta, with 2,790 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in Marietta?
Yes. 1 of the 59 public schools in Marietta are identified as charter schools in the NCES directory, including Walton High School. Charter schools are public and tuition-free, but admission usually uses an application or lottery.
What is the typical student–teacher ratio in Marietta schools?
The median reported student–teacher ratio across Marietta public schools is 13.2:1, similar to the Georgia school median of 13.7:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in Marietta guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Georgia cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Georgia cities