Stone Bridge High

Located at 43100 Hay Road, in Ashburn, Virginia, Stone Bridge High is a mid-tier 9-12 campus that works with 1,629 students (grades 9 through 12), operated by Loudoun County Public Schools. That puts it 34% bigger than the typical public school in Virginia, which averages around 1,213 students.

Within Loudoun County Public Schools, which oversees 98 schools and 81,486 students, Stone Bridge High is one campus in the system.

On demographics, Stone Bridge High reports that the most-represented group is White (49%), with the rest of the student body spread across multiple groups. Beyond that, the school reports 21% Asian, 15% Hispanic, 8% Black, 7% multiracial. Compared to Loudoun County overall, the school's racial mix sits in roughly the same range.

Looking at the economic backdrop, Staff filings list 122 full-time-equivalent teachers, which works out to roughly 13.3:1 students per teacher. That tracks the state average closely. Around 20% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. Set against Loudoun County (around 28%), the school's rate is meaningfully below typical.

After controlling for student poverty, Stone Bridge High tracks the demographic baseline. The model predicts 82.6% given the school's FRL share; actual proficiency is 85.0%.

In the surrounding community, the surrounding county (Loudoun County) reports that the typical household earns roughly $181,765 per year, roughly 65% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Stone Bridge High is one of 103 public schools in Loudoun County (combined enrollment of about 81,486 students).

Trailside Middle is the nearest neighboring public school, about 0.6 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Stone Bridge High. Ranking that nearby cluster on reported proficiency puts Stone Bridge High at 5th of 9; the average score across the group is 83.7%.

The campus sits in a suburban setting.

Five-year trend. Over the past 7-year window, the student count stayed largely flat: 1,669 students in 2018 compared to 1,629 in 2025. Over the same period, the White share shrank from 63% to 49%.

In the discussion threads here, members of the Stone Bridge High community share and discuss sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.