Best Public Schools in Zip Code 30066

ZIP code 30066 in Marietta, Georgia, is home to 16 schools within the Cobb County School District, serving approximately 13,139 students across nine elementary schools, four middle schools, and three high schools. This area offers a wide spectrum of educational experiences, from some of the state’s top-ranked institutions to schools facing significant challenges, making it essential for parents to understand the landscape before choosing a school.

At the high school level, Lassiter High School is the standout performer, ranking 15th in Georgia with a 97.3% graduation rate and just 13.6% of students qualifying for free/reduced lunch. In contrast, Sprayberry High School ranks 133rd with a 48.6% poverty rate and 20.7% chronic absenteeism, while Kell High School sits comfortably in between at 57th. Among middle schools, Simpson Middle School leads with a 23rd-place state ranking, followed by Mabry Middle School, while Daniell Middle School struggles with the highest poverty rate (57.8%) and lowest proficiency scores. At the elementary level, Davis Elementary School and Mountain View Elementary School are top performers, while Bells Ferry Elementary School and Blackwell Elementary School lag significantly behind district averages.

A consistent pattern emerges across all grade levels: schools with lower poverty rates and better attendance achieve dramatically higher test scores. For example, Lassiter High School outperforms Sprayberry High School by 32 points in Algebra I proficiency, and Davis Elementary School beats Bells Ferry Elementary School by roughly 40 points in most subjects. Notably, all four middle schools achieve 96.8% to 100% proficiency on the Algebra I End-of-Course exam, far exceeding the district’s 59.4%, though standard grade-level math varies widely. Per-student spending does not predict success—Keheley Elementary School spends the most ($20,881) yet remains mid-tier, while Lassiter High School spends the least ($13,092) and excels. Parents should weigh socioeconomic factors, attendance rates, and subject-specific strengths—such as Addison Elementary School’s exceptional 85.9% science proficiency—when evaluating options in this diverse ZIP code.