Betty Gray Middle School

Betty Gray Middle School is a middle school of mid-tier scale in Mableton, Georgia, one of the schools within Cobb County, enrolling 702 students in grades 6 through 8.

Within Cobb County, which oversees 110 schools and 105,738 students, Betty Gray Middle School is one campus in the system.

For racial and ethnic makeup, Betty Gray Middle School logs that the most-represented group is Black (50%), with the rest of the student body spread across multiple groups. The remainder comes out to 44% Hispanic, 4% White. That is visibly more Black than the county at large, where the share is closer to 27%.

On the resource side, On paper, Betty Gray Middle School has 45 full-time-equivalent teachers, translating to a class-load average of around 15.6:1. That figure is higher than the state norm's 14.1:1 average. Roughly 99% of students at Betty Gray Middle School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Cobb County runs at roughly 53%, so the school's eligibility rate is meaningfully above the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Betty Gray Middle School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 26.2%, the actual is 33.3%, a residual of +7.0 points.

Around the school, ACS estimates for Cobb County put median household income runs about $102,738, roughly 51% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Betty Gray Middle School is one of 129 public schools in Cobb County (combined enrollment of about 116,609 students).

Nearest neighbor: Nickajack Elementary School, around 1.8 miles off. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Betty Gray Middle School ranks 4th on composite proficiency, below the local average of 34.6%.

Geographically, the school is in a residential area.

Five-year trend. Over the past 7-year window, the student count grew 20%: 586 students in 2018 compared to 702 in 2025. Over the same period, the Black share edged down from 57% to 50%. The student-to-teacher ratio narrowed from 20.2:1 in 2018 to 15.6:1 today.

Within the allk12 community for this school, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.