Summary:
Zip code 28675 in rural North Carolina is served by a single public high school, Alleghany High in Sparta, which is part of Alleghany County Schools and enrolls 395 students in grades 9–12. Because it is the only high school in the area, all local comparisons are really just a look at how this one school performs against state benchmarks and its own past results.
Alleghany High stands out for achieving strong academic results despite serving a student body where 99.24% qualify for free or reduced-price lunch. In the most recent 2025–2026 school year, it exceeded state proficiency averages in every tested subject: Math I at 68.5% versus 42.1% statewide, Math III at 82.3% versus 68.9%, Biology at 64.8% versus 58.5%, and English II at 68.3% versus 64.6%. Its graduation rate of 91.6% tops the state’s 88.8%, and chronic absenteeism is just 10.3%—less than half the state rate of 24.2%. The school has also climbed from the 50th to the 69th percentile in statewide rankings over the past three years, a meaningful upward trend.
The school posted dramatic year-over-year gains in Biology (up 20.8 points) and English II (up 22.9 points), moving from below state averages to well above them. Math I has been a consistent signature strength for two straight years. With a low student-teacher ratio of 11.6 to 1 and about $13,265 spent per student in 2018–2019 (note that this spending figure is older than other data), Alleghany High appears to offer a supportive, small-school environment. For parents, this is a high-poverty rural school that is beating the odds—a place where strong math instruction, high attendance, and steady improvement are the defining themes.
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