Excellent
#203 of 1,851 schools in VA
Top 11% in state
Stone Bridge High
High School · Loudoun County Public Schools · Ashburn, VA
A Loudoun County Public Schools high school where students score 5 points above what's typical for similar communities.
43100 Hay Road, Ashburn, VA 20147
- Math 87% vs VA 75% (2025)
- Reading 95% vs VA 76% (2025)
- 97.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Stone Bridge High score 91% proficient, which is above what's typical for similar communities (expected: 86%).
2025 SOL proficiency
Most recent published year. School vs. VA average.
Trend
→ SteadyProficiency is down 6 points across the 17-year record (2009–2025) and has held near 91% recently.
Show all 14 years
Multi-year averages used by the rating model: math 83% (multi-year average, 2009-2025) · reading/ELA 96% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from VA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
16%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Stone Bridge High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Washington DC map →
Getting around & local context
- Walk 18Car-Dependent
- Bike 37Somewhat Bikeable
- County Safety: Average622/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$161,356
Median home value
$679,600
Median rent
$2,394/mo
College educated
67.2%
Homeownership
68.7%
Poverty rate
4.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 20147; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Loudoun School for Advanced StudiesPrivate · tuition | 8.5private | 6–12 | 1.2 mi | 71 | Compare → |
| Nextide AcademyPrivate · tuition | Not rated | 3–11 | 2.0 mi | 14 | Compare → |
| Broad Run HighEnrollment path unverified | 8.0 | 9–12 | 2.1 mi | 1,586 | Compare → |
| Virginia AcademyPrivate · tuition | 5.9private | PK–12 | 2.1 mi | 530 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Loudoun County Public Schools
- Schools in district
- 100
- Rank in district
- #31 of 96
- District spending per student
- $19,934NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 3.4%Census SAIPE · 2024
Stone Bridge High is listed in Loudoun County Public Schools; a district label does not verify attendance for an address.
About Stone Bridge High
Stone Bridge High is a public high school in Ashburn, VA, part of Loudoun County Public Schools, serving approximately 1,697 students in grades 9th-12th with a 13:1 student-teacher ratio. It holds a MySchoolScout rating of 8.4 out of 10 and ranks #203 of 1,851 schools in VA. State assessment records show 83% math proficiency (multi-year average, 2009-2025) and 96% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Stone Bridge High
What grades does Stone Bridge High serve?
Stone Bridge High serves students in grades 9th through 12th.
How many students attend Stone Bridge High?
Stone Bridge High has an enrollment of approximately 1,697 students.
What is the student-teacher ratio at Stone Bridge High?
The student-teacher ratio at Stone Bridge High is 13:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Stone Bridge High rank in VA?
Stone Bridge High ranks #203 of 1,851 schools in VA.
What is Stone Bridge High's MySchoolScout rating?
Stone Bridge High has a current MySchoolScout rating of 8.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Stone Bridge High?
Based on loaded state assessment records, Stone Bridge High has 83% math proficiency (multi-year average, 2009-2025) and 96% reading/ELA proficiency (multi-year average, 2009-2025).
Is Stone Bridge High a charter school?
No, Stone Bridge High is not a charter school. It is a traditional public school operated by the local school district.
Is Stone Bridge High a Title I school?
No, Stone Bridge High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Stone Bridge High?
16.0% of students at Stone Bridge High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,697
- Student-Teacher Ratio
- 13:1
- Teachers (FTE)
- 131
- Type
- regular
- Setting
- Large Suburb
- County
- Loudoun County
- Chronic Absenteeism (SY 2022-23)
- 22.3%
- Phone
- (571) 252-2200
- 4-Year Graduation
- 97.0%
- Area population (ZIP 20147)
- 67,007
- Area average commute
- 28.5 min
- Area median age
- 39.1
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 SOL · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 SOL. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 SOL · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 SOL. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 20147; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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