Centennial High School

Set in Roswell, Georgia, Centennial High School is a middle-of-the-pack four-year high school, overseen by Fulton County. It teaches 1,643 students across grades 9 through 12. Enrollment runs roughly 47% above the state mean of about 1,120.

Fulton County runs 107 schools in total, collectively educating 87,563 students. Centennial High School is one of those campuses.

In terms of who attends, Centennial High School reports that 38% of students identify as White, with the remaining enrollment distributed across several groups. The remainder comes out to 35% Hispanic, 19% Black, 4% multiracial, 4% Asian. Compared to Fulton County overall, the school's racial mix sits in roughly the same range.

In terms of school funding signals, Staff filings list 116 full-time-equivalent teachers, which works out to roughly 14.2:1 students per teacher. The state averages around 15.2:1, so this campus is tighter than the state norm typical. Roughly 43% of students at Centennial High School qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Fulton County (around 62%), the school's rate is south of typical.

After controlling for student poverty, Centennial High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 55.1%; this one delivers 54.5%.

Around the school, Fulton County reports that median household income runs about $95,292, roughly 59% of adults have completed at least a four-year degree, and roughly 8% of residents live below the federal poverty line. Centennial High School is one of 205 public schools in Fulton County (combined enrollment of about 138,270 students).

Nearest neighbor: Hillside Elementary School, around 0.4 miles off. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Centennial High School at 6th of 9; the average score across the group is 55.6%.

Geographically, the school is in an inner-city area.

Trend over the last 7 years. Over the past 7-year window, the student count fell 15%: 1,930 students in 2018 compared to 1,643 in 2025. Hispanic enrollment moved from 24% to 35% across the same window. Class-load math has narrowed: from 17.0:1 in 2018 to 14.2:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.