Lanier High School

Located at 918 Buford Hwy, in Sugar Hill, Georgia, Lanier High School is a big 9-12 campus that hosts 1,871 students (grades 9 through 12), operated by Gwinnett County. That puts it 67% larger than the typical public school in Georgia, which averages around 1,120 students.

Within Gwinnett County, which oversees 141 schools and 182,518 students, Lanier High School is one campus in the system.

Demographically, Lanier High School logs that the most-represented group is White (33%), with the rest of the student body spread across multiple groups. The remainder looks like 30% Hispanic, 21% Black, 11% Asian, 5% multiracial. That composition is broadly in line with Gwinnett County as a whole.

Looking at school resources, On paper, Lanier High School has 113 full-time-equivalent teachers, translating to a class-load average of around 16.6:1. That figure is higher than the state norm's 15.2:1 average. Roughly 45% of students at Lanier High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is south of Gwinnett County's rate of about 60%.

After controlling for student poverty, Lanier High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 54.1%, the actual is 47.3%, a residual of -6.8 points.

In the surrounding community, ACS estimates for Gwinnett County put the typical household earns roughly $87,890 per year, roughly 39% of adults have completed at least a four-year degree, and the poverty rate sits near 9%. Lanier High School is one of 150 public schools in Gwinnett County (combined enrollment of about 196,924 students).

Nearest neighbor: Sugar Hill Elementary School, around 1.1 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 9 schools in that immediate cluster with test data (this one included), Lanier High School ranks 7th on composite proficiency, below the local average of 68.0%.

Geographically, the school is in a residential area.

Five-year trend. Over the past 7-year window, the student count stayed largely flat: 1,842 students in 2018 compared to 1,871 in 2025. White enrollment moved from 44% to 33% across the same window. Class-load math has narrowed: from 18.4:1 in 2018 to 16.6:1 in 2025.

On this page, members of the Lanier High School community share and discuss classroom updates, athletics, and weather closures. Members of the school community can share what they know.