Summary:
Ruby, South Carolina is home to a single school, Ruby Elementary, which serves grades PK-5 with an enrollment of 256 students as part of the Chesterfield 01 school district.
Ruby Elementary is a school on a clear upward trajectory, having climbed from the 37th percentile in state rankings in 2023-2024 to the 50th percentile in 2025-2026, earning its first 3-star rating. The school consistently outperforms its district peers in every subject and grade level tested, with margins ranging from +7.1 to +18.6 percentage points. Its standout performance is in 5th grade English Language Arts, where 72.1% of students met proficiency standards—exceeding the state average by 8.5 points and the district by 18.6 points. The school also posted dramatic year-over-year gains in 3rd grade, with math proficiency jumping 18.7 points to 59.6% and ELA rising 11.9 points to 61.9%. These improvements suggest effective instructional strategies or targeted interventions at the primary level.
However, the school faces challenges, particularly in 4th grade. This grade consistently shows the weakest performance, with 4th grade math (42.0%) and science (40.0%) representing the lowest proficiency areas in 2025-2026. Science proficiency dropped sharply from 55.6% to 40.0% year-over-year, and 4th grade is the only grade where ELA declined. Despite these gaps, the school benefits from favorable resources, including a low student-teacher ratio of 11.6:1 and per-student spending of $13,428. Chronic absenteeism is also below both district and state averages at 19.0%. While Ruby Elementary still trails state averages in several 4th grade subjects, its consistent district outperformance, improving state ranking, and strong gains in early grades position it well for continued growth, though the 4th grade slump warrants targeted attention.
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