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If you had an hour of school board time for STONE BRIDGE HIGH, what would you bring up?
Community prompt from u/allk12. Replies below.
Enrollment
1,629
High
DISTRICT 1,562 · STATE 1,213
SCHOOL COMMUNITY·LOUDOUN COUNTY PUBLIC SCHOOLS·NCES 510225002538
Stone Bridge High
43100 Hay Road, Ashburn, VA 20147 · (571) 252-2200 · Loudoun County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,629 STUDENTS
Student : Teacher
13.3:1
122 FTE teachers
DISTRICT 12.2:1 · STATE 13.9:1
Free / Reduced Lunch
20%
327 students
DISTRICT 31% · STATE 66%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 377 | 23% |
| Grade 10 | 410 | 25% |
| Grade 11 | 394 | 24% |
| Grade 12 | 448 | 28% |
Student demographics
68%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
SOL 2024-25 . % PassingEnglish Language Arts
95.0%
VA avg 74.2% . +0.0pp since 2022
Math
87.0%
VA avg 72.7% . +10.0pp since 2022
What this means: On the SOL, Virginia's statewide test, about 95 of every 100 students at this school read and write at grade level and about 87 of 100 do math at grade level. Across all Virginia schools, those numbers are about 74 and 73. Reading and writing scores have held steady since 2022, while math scores are up about 10 points.
SOL results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 95.0% | 87.0% |
| 2023-24 | 93.0% | 84.0% |
| 2022-23 | 95.0% | 77.0% |
% Passing, all students and all tested grades.
Source: SOL. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
85.0%
composite math + reading, all grades
Predicted
82.6%
based on VA schools with similar FRL share
Beats by
+2.4pp
above demographic expectation
What this means: About 85% of students here test proficient in math and reading, compared with the roughly 83% typical for Virginia schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Virginia's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Stone Bridge High
Stone Bridge High's state test result (85.0% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Stone Bridge High this school | 1,629 | 20.1% | 85.0% |
| Riverside High Leesburg | 1,710 | 18.4% | 77.4% |
| Woodson High Fairfax | 2,436 | 14.2% | 88.0% |
| Marshall High Falls Church | 2,200 | 24.6% | 80.9% |
| Mills E. Godwin High Richmond | 1,702 | 27.1% | 79.9% |
| Battlefield High Haymarket | 2,063 | 14.4% | 83.1% |
Matched among Virginia high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Stone Bridge High ranks
Among high schools| Measure | This school | In Virginia | In Loudoun County |
|---|---|---|---|
| State test proficiency ranked highest first | 85.0% | #44 of 311 | #3 of 12 |
| Math proficiency ranked highest first | 87.0% | #113 of 316 ▲ 33 | #7 of 12 ▼ 1 |
| Reading proficiency ranked highest first | 95.0% | #29 of 316 ▲ 6 | #6 of 12 no change |
| Enrollment ranked largest first | 1,629 | #100 of 325 | #8 of 13 |
| Students per teacher ranked fewest first | 13.3:1 | #118 of 309 | #6 of 12 |
| Diversity index ranked most diverse first | 68.4% | #60 of 309 | #5 of 12 |
| Free and reduced lunch ranked highest share first | 20.1% | #291 of 319 | #6 of 12 |
| Enrollment change since 2017-18 ranked steepest decline first | -2.4% | #159 of 178 | #5 of 7 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,629
-147 (-8%) vs 2020
+44% since 2000-01, when it was 1,131
Student : Teacher
13.3:1
was 12.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,629 | 122 | 13.3:1 | 20% (327) |
| 2023-24 | 1,697 | 131.9 | 12.9:1 | 16% (271) |
| 2022-23 | 1,701 | 131.3 | 13.0:1 | 16% (265) |
| 2020-21 | 1,776 | 142 | 12.5:1 | N/A |
| 2017-18 | 1,669 | 123.3 | 13.5:1 | 10% (161) |
| 2015-16 | 1,687 | 128 | 13.2:1 | 8% (128) |
| 2010-11 | 1,913 | 98 | 19.5:1 | 6% (116) |
| 2000-01 | 1,131 | 75 | 15.1:1 | 12% (131) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Stone Bridge High.
Since 2017-18: students down 2% (1,669 to 1,629); teachers down 1% (123.3 to 122).
About Stone Bridge High
Stone Bridge High is a mid-sized high school found in Ashburn, Virginia. Its enrollment is 1,629 students, spread over grades 9 through 12. Across high schools in Virginia, the average enrollment is about 1,213.
Stone Bridge High is part of Loudoun County Public Schools, where 98 schools serve 81,486 students.
At Stone Bridge High, White students make up the biggest share, 49%. Other students are 21% Asian, 15% Hispanic, 8% Black, and 7% multiracial. Loudoun County residents are about 53% White, a similar share. On a 0 to 100 scale, the school's diversity index is 68, compared with 70 nationally.
Teacher count: 122 full-time equivalents. Student-to-teacher ratio: 13.3:1. It is about the same as the 13.9:1 average for high schools in Virginia. A common income measure, free or reduced-price lunch eligibility, is 20% at Stone Bridge High. The average for public schools in Loudoun County is 28%.
On the allk12 BeatsExpectations measure, Stone Bridge High is 2.4 points above the average proficiency rate across its state test results predicted for its free or reduced-price lunch share: 85.0% actual, 82.6% predicted. That is outside both the top and bottom 10% in Virginia.
In the surrounding county, Loudoun County, the median household earns about $181,765 a year, 65% of adults hold a bachelor's degree or higher, and about 3% of people live in poverty. Loudoun County has 103 public schools with about 81,486 students, including Stone Bridge High.
Trailside Middle is the nearest public school to Stone Bridge High, about 0.6 miles away. Stone Bridge High is one of several public schools in the area, with at least 8 others within five miles. Stone Bridge High comes in 5th of 9 nearby schools on average proficiency.
The NCES locale for Stone Bridge High is Suburb: Large, which covers schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
In 2020-21, Stone Bridge High enrolled 1,776 students. By 2024-25, that number had fallen to 1,629.
Stone Bridge High has a community page on allk12 for topics such as athletics, class schedules, and weather closures. Teachers and staff are welcome to share updates too.
Loudoun County at a glance
View full county profilePopulation
432,998
Census ACS
Median income
$181,765
Household, ACS
Bachelor's+
65%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
103
81,486 students
Quick facts
Related schools
Other schools in Loudoun County Public Schools
- Independence HighHigh · 2,166 students
- Lightridge HighHigh · 2,030 students
- Freedom HighHigh · 1,885 students
- Briar Woods HighHigh · 1,862 students
- John Champe HighHigh · 1,851 students
- Riverside HighHigh · 1,710 students
Other schools in Ashburn
- Independence HighHigh · 2,166 students
- Briar Woods HighHigh · 1,862 students
- Rock Ridge HighCombined · 1,599 students
- Broad Run HighHigh · 1,558 students
- Eagle Ridge MiddleMiddle · 1,258 students
- Brambleton MiddleMiddle · 1,164 students
Nearby schools
- Trailside Middle0.6 mi · 1,131
- Newton-Lee Elementary0.6 mi · 505
- Belmont Station Elementary0.6 mi · 605
- Sanders Corner Elementary0.8 mi · 503
- Cedar Lane Elementary1.2 mi · 701
- Ashburn Elementary1.7 mi · 513
Frequently asked questions
About Stone Bridge HighHow large is Stone Bridge High?
Stone Bridge High enrolls approximately 1,629 students in grades 09-12.
Is Stone Bridge High an elementary, middle, or high school?
Stone Bridge High is a high school covering grades 09-12.
How many students per teacher at Stone Bridge High?
Approximately 13.3:1 students per teacher at Stone Bridge High.
What is the student diversity at Stone Bridge High?
Student demographics at Stone Bridge High are roughly 49% White, 15% Hispanic, 8% Black, 21% Asian, 7% Two or more.
What district is Stone Bridge High in?
Stone Bridge High is part of Loudoun County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.