Summary:
The single high school serving zip code 20175 is Loudoun County High, a grade 9-12 school in Leesburg, Virginia, and part of Loudoun County Public Schools. With 1,334 students, it is the only high school in this zip code, so this analysis serves as a school-level profile rather than a comparison. The school has improved its statewide ranking from 135th to 112th over the past three years, moving from the 59th to the 66th percentile among Virginia high schools.
Academically, Loudoun County High shows clear strengths in English and language arts. In 2025-2026, 11th-grade reading proficiency reached 95.26%, well above the state's 88.13%, and writing proficiency was 89.09% versus 79.89% statewide. The school also excels in 9th-grade Algebra I (90.71% proficient), 9th-grade Biology (94.37%), and 10th-grade Chemistry (90%, far above the state's 60.82%). However, advanced math is a notable weakness. Only 65.33% of 9th graders passed Algebra II compared to the district's 95.32% and state's 94.43%, and 9th-grade Geometry proficiency was 75% versus the district's 92.16%. Tenth-grade Biology (69.23%) also trails the district.
Supporting metrics are mixed. The graduation rate of 94.5% exceeds the state average of 92.3% but falls short of the district's 96.5%. The dropout rate is 2.8%, well below the state's 5.0% but above the district's 2.0%. Chronic absenteeism is a concern at 17.9%, higher than both the district (14.1%) and state (14.8%). With $20,240 in per-student spending, a favorable 11.8 student-teacher ratio, and 25.56% of students receiving free or reduced lunch, the school is well-resourced yet still trails its high-achieving district in advanced math and 10th-grade science. Overall, Loudoun County High is a solid, improving school that outperforms the state on most measures, with its biggest opportunities being advanced math support and reducing chronic absenteeism.
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