Lassiter High School

Lassiter High School is a four-year high school of roomy scale in Marietta, Georgia, part of Cobb County, hosting 2,005 students in grades 9 through 12. That puts it 79% above the typical public school in Georgia, which averages around 1,120 students.

Lassiter High School is one of 110 schools operated by Cobb County, a district that teaches 105,738 students overall.

On the student-mix side, Lassiter High School shows that White students make up the majority at 67%. The remainder is composed of 12% Hispanic, 8% Asian, 7% Black, 6% multiracial. The wider county runs roughly 49% White, putting the school's mix meaningfully more White than the area baseline.

On the income-and-resources front, On paper, Lassiter High School has 111 full-time-equivalent teachers, translating to a class-load average of around 18.1:1. The state averages around 15.2:1, so this campus is higher than the state norm typical. Roughly 14% of students at Lassiter High School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Cobb County (around 53%), the school's rate is noticeably below typical.

After controlling for student poverty, Lassiter High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 70.3%; this one delivers 79.7%.

Zooming out to the county, community-level numbers for Cobb County indicate median household income runs about $102,738, 51% of adults hold a bachelor's degree or higher, and roughly 6% of residents live below the federal poverty line. In all, Cobb County runs 129 public schools (combined enrollment of about 116,609 students), of which Lassiter High School is one.

The closest other public school is Rocky Mount Elementary School, roughly 0.5 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Lassiter High School comes 1st of 9 in the immediate cluster, higher than the nearby-schools average of 66.4%.

Geographically, the school is in a residential area.

Trend over the last 7 years. Looking back 7 years, enrollment at Lassiter High School has contracted 9%, going from 2,192 students in 2018 to 2,005 in 2025. Over the same period, the White share shrank from 72% to 67%.

Within the allk12 community for this school, posts here usually surface around enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.