- Enrollment
- 2,166
- Students per teacher
- 16:1
- Resource Index
- 46/100
High school (grades 9-12) · Ashburn, VA
Stone Bridge High
Federal NCES profile for Stone Bridge High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 510225002538
👥 S:T ratio 50
🌟 Gifted program 30
🎓 Counselors 59
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Stone Bridge High earns 50/100 on the Resource Investment Index, with class sizes smaller than 73% of Virginia schools.
- #1 of 4
- high schools in Ashburn · Resource Index
- 50
- Resource Index · Higher
- 12.4:1
- small classes for Virginia
- 13.5%
- free-lunch eligible
Stone Bridge High has class sizes smaller than 73% of Virginia schools. Computed live against every Virginia school reporting to NCES.
By Resource Investment Index, Stone Bridge High ranks #1 of 4 high schools in Ashburn, VA.
School address
District: Loudoun County Public Schools · Virginia
NCES ID 510225002538 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-4 students YoY
Stone Bridge High held near 1,697 students from 2022-23 to 2023-24 (-4 headcount).
Teacher FTE added 131.3 → 131.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-4 students YoY 510225002538 · Ashburn, VA High · MID · TRAD
1,629 enr · 12.4:1 · 13.5% lunch · RII 50
Nearest enrollment peer: Independence High (2,166 students)
Stone Bridge High held near 1,697 students from 2022-23 to 2023-24 (-4 headcount). Teacher FTE added 131.3 → 131.9 across the same CCD years. Read with this school → · District book → · Virginia schools → · Find another →
Stone Bridge High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Independence H
Independence High
2,166 students
- Lightridge Hig
Lightridge High
2,030 students
- Freedom High
Freedom High
1,885 students
- Briar Woods Hi
Briar Woods High
1,862 students
- John Champe Hi
John Champe High
1,851 students
- This school
Stone Bridge High
1,629 students
What this shows Stone Bridge High reports 1,629 students on the CCD universe file.
How Stone Bridge High compares
Stone Bridge High held steady on CCD headcount: ratios and free-lunch share vs Virginia and U.S. means.
| Metric | This school | vs Virginia | Virginia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.4:1 | ▼ 11% | 13.9:1 | 15.7:1 |
| Free-lunch eligible | 13.5% | ▼ 77% | 57.6% | 51.7% |
| Enrollment | 1,629 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.4:1
Leaner classes than 72% of US schools, among the more generously staffed nationally.
1,629
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
13.5%
free-lunch eligible
- 77% below the Virginia average of 57.6%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.4:1
students per teacher
- 11% below state mean
Top 27% in Virginia - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
16.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$19,934
per pupil, district-wide
- above Virginia avg of $15,892
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors8.0 FTE
Per 204 students, the combined health-and-guidance staffing load for this school.
Discipline context
45
in-school suspensions + 19 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 3.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 48.9%
Asian 21.2%
Hispanic or Latino 14.7%
African American 7.9%
Two or More 6.7%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 48.9% of enrollment.
Student-body diversity index 68.4/100
Simpson diversity index - at 68.4, Stone Bridge High is more mixed than the Virginia school average of 53.7.
Programs
AP courses offered 24
District finance for Loudoun County Public Schools reports $19,934 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Stone Bridge High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Independence High | Larger | Similar economic need | Higher S:T ratio |
| Lightridge High | Similar size | Similar economic need | Higher S:T ratio |
| Freedom High | Similar size | Similar economic need | Similar S:T ratio |
| Briar Woods High | Similar size | Similar economic need | Higher S:T ratio |
| John Champe High | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Stone Bridge High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,030
- Students per teacher
- 16.5:1
- Resource Index
- 45/100
- Enrollment
- 1,885
- Students per teacher
- 13:1
- Resource Index
- 51/100
- Enrollment
- 1,862
- Students per teacher
- 14.8:1
- Resource Index
- 45/100
- Enrollment
- 1,851
- Students per teacher
- 14.7:1
- Resource Index
- 47/100
Similar high schools in Ashburn
3 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,629 students)
Frequently asked questions about Stone Bridge High
How many students attend Stone Bridge High?
Stone Bridge High has 1,629 students enrolled. It is a high school in Ashburn, VA. CCD year-over-year: 1,701 (2022-23) → 1,697 (2023-24), nearly flat (-4).
What is the student-teacher ratio at Stone Bridge High?
The student-teacher ratio at Stone Bridge High is 12.4:1, which is 11% lower than the Virginia average of 13.9:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Stone Bridge High?
13.5% of students at Stone Bridge High are eligible for free lunch, compared to the Virginia average of 57.6%.
What is the racial and ethnic makeup of Stone Bridge High?
The largest demographic group at Stone Bridge High is White at 48.9% of enrollment, in Ashburn, VA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.4/100.
What is the Resource Investment Index for Stone Bridge High?
Stone Bridge High has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Stone Bridge High rank among high schools in Ashburn?
By Resource Investment Index, Stone Bridge High ranks #1 of 4 high schools in Ashburn, VA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Ashburn on the city page.
What other schools are in Loudoun County Public Schools?
Besides Stone Bridge High, Loudoun County Public Schools also operates Independence High (2,166 students), Lightridge High (2,030 students), and Freedom High (1,885 students). See the Loudoun County Public Schools district page for the complete list.