Summary
Herndon High is a large public high school in Herndon, Virginia, serving 2,261 students in grades 9–12 as part of Fairfax County Public Schools. The school has faced persistent challenges over the past decade, ranking in the 27th percentile statewide (1 star) in 2025–2026, and has never risen above the 32nd percentile in the last ten years. This places it well below many high-achieving schools in its immediate geographic area, though it serves a substantially higher-needs population than most nearby schools, with 49.5% of students eligible for free or reduced-price lunch.
Herndon's graduation and dropout rates are the most notable differentiators. The 2024–2025 graduation rate was 85.7%, well below the district rate of 92.7%, and has declined steadily from 89.9% in 2020–2021. The dropout rate of 9.9% is roughly double the district rate of 5.1% and is similar to Park View High (9.8%), a Loudoun County school with a far higher poverty rate (82.3% free/reduced-price lunch). By contrast, Madison High has a 0.7% dropout rate, Chantilly High 2.7%, and Westfield High—a Fairfax school with a similar economic profile (35.7% FRPL)—achieves a 93.1% graduation rate and a 5.4% dropout rate. Test scores also show a striking pattern: 9th graders perform reasonably close to state averages, but upperclassmen retaking foundational courses struggle, with 10th-grade geometry proficiency at just 17.1% versus 52.2% districtwide.
Despite the overall low ranking, Herndon has notable strengths. The school ranks in the 75th–82nd percentile statewide for African American, White, and multiracial students, and English learner outcomes jumped from the 9th percentile to the 45th percentile in a single year. Chronic absenteeism improved from 22.0% to 14.9% over two years, essentially at the state average. However, Hispanic, female, low-income, and English learner students remain underserved, and graduation rates have fallen even as attendance improved—suggesting the dropout problem is driven more by academic disengagement and credit deficits than by missed school. For parents, the most urgent areas to watch are credit recovery and math retake support, dropout prevention, and closing internal equity gaps.
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