Rex Mill Middle School

Rex Mill Middle School is a reasonably sized intermediate school in Rex, Georgia, overseen by Clayton County. The school works with 904 students in grades 6 through 8.

Clayton County runs 68 schools in total, collectively educating 51,326 students. Rex Mill Middle School is one of those campuses.

Demographically, Rex Mill Middle School shows that 69% of the student body identifies as Black. The remainder comes out to 24% Hispanic, 3% multiracial, 2% White. That mix tracks the wider county fairly closely.

Looking at the economic backdrop, Staff filings list 65 full-time-equivalent teachers, which works out to roughly 13.9:1 students per teacher. That tracks the state average closely. About 100% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

After controlling for student poverty, Rex Mill Middle School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 25.7%; this one delivers 30.5%.

In the surrounding community, Clayton County reports that median household income runs about $59,806, roughly 23% of adults have completed at least a four-year degree, and roughly 15% of residents live below the federal poverty line. Rex Mill Middle School is one of 73 public schools in Clayton County (combined enrollment of about 63,156 students).

Roberta T. Smith Elementary School is the nearest neighboring public school, about 0.3 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Rex Mill Middle School. Among the 8 schools in that immediate cluster with test data (this one included), Rex Mill Middle School ranks 3rd on composite proficiency, ahead of the local average of 28.2%.

Geographically, the school is in a residential area.

Five-year trend. Over the past 7-year window, the student count declined 21%: 1,142 students in 2018 compared to 904 in 2025. Class-load math has fell: from 17.8:1 in 2018 to 13.9:1 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.