Blackwell Elementary School

Set in Marietta, Georgia, Blackwell Elementary School is a mid-sized primary school, one of the schools within Cobb County. It teaches 580 students across grades pre-K through 5.

Across the 110 schools in Cobb County (105,738 students total), Blackwell Elementary School accounts for its share of the district's footprint.

In terms of who attends, Blackwell Elementary School lists that the most-represented group is White (43%), with the rest of the student body spread across multiple groups. Beyond that, the school lists 25% Hispanic, 16% Black, 9% multiracial, 6% Asian.

On the resource side, Blackwell Elementary School lists 48 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.2:1. That figure is tighter than the state norm's 13.3:1 average. Roughly 54% of students at Blackwell Elementary School qualify for free or reduced-price lunch, often used as a Title I proxy.

After controlling for student poverty, Blackwell Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 49.6%; this one delivers 42.1%.

Across the wider county, ACS estimates for Cobb County put the typical household earns roughly $102,738 per year, roughly 51% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. Across Cobb County's 129 public schools (combined enrollment of about 116,609 students), Blackwell Elementary School is one campus in the mix.

The closest other public school is Daniell Middle School, roughly 1.1 miles away. Counting just inside five miles, 8 other public schools cluster around Blackwell Elementary School. Ranking that nearby cluster on reported proficiency puts Blackwell Elementary School at 9th of 9; the average score across the group is 52.4%.

The school occupies a bedroom-community site.

Trend over the last 7 years. Over the past 7-year window, the student count decreased 20%: 727 students in 2018 compared to 580 in 2025. The White share of enrollment contracted from 48% to 43% over that span. Class-load math has tightened: from 14.0:1 in 2018 to 12.2:1 in 2025.

On the community side, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.