Original Research by School Decision on Pebblebrook High School
Pebblebrook High School serves grades 9 through 12 in Mableton, a recently incorporated suburb of metro Atlanta. The school enrolls a substantial population, with ninth grade notably larger than the three upper grades. The student body is predominantly Black and Hispanic, each representing a significant share of enrollment. A very large majority of students qualify for free or reduced-price lunch, indicating high economic need across the school community.
On the most recent state assessments, Pebblebrook's results showed a clear pattern. Students performed stronger in English language arts, with a majority demonstrating proficiency. Performance in math and science fell to about the same level, with roughly two-thirds of students proficient in each subject. Social studies showed the lowest proficiency rate of the four tested areas, with less than three-fifths of students meeting the standard. The data represents one year of results, so trend information was not available. A parent may want to ask the school directly about year-to-year movement and about specific supports in place for math and social studies instruction.
The school does not report its four-year graduation rate in the data available, so readers cannot assess the proportion of students completing a diploma on the standard timeline. Likewise, chronic absenteeism data was not available. These metrics would help round out a picture of student completion and engagement. The school's website information was limited in the payload provided.
Mableton itself is a car-dependent suburban community that incorporated as Cobb County's largest city in 2022. The area mixes older established neighborhoods on the western side with newer residential and mixed-use development along the I-20 corridor to the east. Commercial corridors like Mableton Parkway and Veterans Memorial Highway contain older strip malls and underutilized spaces, though active development is underway: a major mixed-use project is planned with townhomes, cottages, single-family homes, and retail space. A proposed county-wide sales tax would direct substantial revenue to Mableton for sidewalk construction, road improvements, and public facilities. Housing values in the 30126 zip code are modest relative to national benchmarks, and monthly rent is likewise lower than the estimated mortgage payment, making the area more accessible for renters than for homebuyers. The Silver Comet Trail provides a paved recreational corridor, and civic anchors include the South Cobb Regional Library, historic Mable House, and access to the Chattahoochee River. Most residents commute to jobs in Atlanta or regional employment centers rather than working locally; Six Flags Over Georgia is the most visible local employer.
Pebblebrook sits within Cobb County Schools, a system serving multiple communities with varying demographics and housing markets. Comparison metrics across the county's eight districts were not applicable at the school level in the available data, limiting the ability to position Pebblebrook precisely against other high schools in the county.
See more original research from School Decision →