Marietta Middle School

Located at 121 Winn St NW, in Marietta, Georgia, Marietta Middle School is an expansive middle-grades school that hosts 1,352 students (grades 7 through 8), operated by Marietta City. Enrollment runs roughly 77% above the state mean of about 763.

Across the 13 schools in Marietta City (8,664 students total), Marietta Middle School accounts for its share of the district's footprint.

In terms of who attends, Marietta Middle School shows that 41% of students identify as Hispanic, with the remaining enrollment distributed across several groups. Other groups include 34% Black, 19% White, 4% multiracial. By comparison, Cobb County as a whole is about 15% Hispanic, so the school skews considerably more Hispanic than its surroundings.

On the income-and-resources front, On paper, Marietta Middle School has 105 full-time-equivalent teachers, translating to a class-load average of around 12.9:1. Statewide, the average ratio sits near 14.1:1, putting Marietta Middle School tighter than the state norm the norm. Around 68% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. That share is higher than Cobb County's rate of about 53%.

With demographic context factored in, Marietta Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 42.3%, the actual is 45.4%, a residual of +3.1 points.

In the area at large, the surrounding county (Cobb County) reports that median household earnings sit near $102,738, 51% of adults hold a bachelor's degree or higher, and the poverty rate sits near 6%. Marietta Middle School is one of 129 public schools in Cobb County (combined enrollment of about 116,609 students).

West Side Elementary School is the nearest neighboring public school, about 0.3 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, Marietta Middle School comes 4th of 7 in the immediate cluster, behind the nearby-schools average of 49.2%.

Geographically, the school is in an urban area.

Trend over the last 7 years. Looking back 7 years, enrollment at Marietta Middle School has grew 6%, going from 1,276 students in 2018 to 1,352 in 2025. The Black share of enrollment ticked down from 40% to 34% over that span. Class-load math has fell: from 14.3:1 in 2018 to 12.9:1 in 2025.

On allk12, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.