Summary:
Pebblebrook High School is the only high school in Mableton, Georgia, a city of about 41,000 residents in Cobb County, where all nine public schools serve a student population with 96% or higher free/reduced lunch eligibility.
Mableton’s middle schools are the clear standout, particularly in advanced math. Floyd Middle School posted a 94% proficiency rate on the Algebra I End of Course exam, and Betty Gray Middle School hit 96%—both far above the district average of 59.4%. Lindley Middle School also improved to 90%. However, these same schools struggle with grade-level math, with proficiency rates between 17% and 33%. Among elementary schools, Clay-Harmony Leland Elementary School is the strongest, earning a 3-star rating and a 50.6% proficiency rate in 4th-grade math—nearly matching the district average. In contrast, Riverside Elementary School ranks lowest despite receiving the highest per-student funding ($22,180) and having the smallest class sizes (10.1:1).
Chronic absenteeism is a major concern across all schools, ranging from 15.5% at Clay-Harmony Leland to 34.3% at Pebblebrook High—well above the district rate of 14.2%. This correlates with Pebblebrook’s 75.7% graduation rate and 6.1% dropout rate, both significantly worse than district averages. Science proficiency is universally weak, with 5th-grade scores ranging from 13.7% to 28.3% against a district average of 47.1%. On a positive note, Pebblebrook’s state ranking improved from 242nd to 185th, and its Biology proficiency jumped from 32.7% to 45.3%. The data suggests that targeted interventions around attendance and science instruction, rather than simply increasing funding, could yield the greatest improvements for Mableton’s roughly 9,100 students.
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