Stone Bridge High School is a public secondary school in Ashburn, a community in Loudoun County, Virginia. The school is part of Loudoun County Public Schools. Newsweek ranked Stone Bridge the #4 high school in Virginia and the #1 high school in Loudoun County in 2014.
Serving 1,629 students in grades 9-12, Stone Bridge High School ranks in the top 20% of all schools in Virginia for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 70-79% (which is higher than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 97% (which is higher than the Virginia state average of 69%).
The student-teacher ratio of 13:1 is lower than the Virginia state level of 14:1.
Minority enrollment is 51% of the student body (majority Asian and Hispanic), which is lower than the Virginia state average of 56% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,629 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 51%
- Graduation Rate: 96% (Top 10% in VA)
- Overall Testing Rank: Top 20%
- Math Proficiency: 70-79% (Top 50%)
- Reading Proficiency: 97% (Top 1%)
- Science Proficiency: 87% (Top 5%)
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
Top Rankings
Stone Bridge High School ranks among the top 20% of public schools in Virginia for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Stone Bridge High School's student population of 1,629 students has declined by 8% over five school years.
The teacher population of 122 teachers has declined by 14% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,629 students
Total Classroom Teachers
122 teachers
Year Founded
2000
Colors
White, Blue, Silver
School Rankings
Stone Bridge High School ranks within the top 20% of all 1,773 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of Stone Bridge High School is 0.69, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#297 out of 1773 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
70-79%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)97%
69%
Science Test Scores (% Proficient)
(20-21)87%
59%
Student-Teacher Ratio
13:1
14:1
American Indian
n/a
n/a
Asian
21%
8%
Hispanic
15%
20%
Black
8%
21%
White
49%
44%
Hawaiian
n/a
n/a
Two or more races
7%
7%
All Ethnic Groups
Graduation Rate
96%
89%
Eligible for Free Lunch
18%
57%
Eligible for Reduced Lunch
2%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), VA Dept. of Education
School Notes
- School Mascot: Bulldogs
Frequently Asked Questions
What is Stone Bridge High School's ranking?
Stone Bridge High School is ranked #297 out of 1,773 schools, which ranks it among the top 20% of public schools in Virginia.
What schools are Stone Bridge High School often compared to?
Stone Bridge High Schoolis often viewed alongside schools like Briar Woods High School, Broad Run High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70-79% of students have achieved math proficiency (compared to the 68% VA state average), while 97% of students have achieved reading proficiency (compared to the 69% VA state average).
What is the graduation rate of Stone Bridge High School?
The graduation rate of Stone Bridge High School is 96%, which is higher than the Virginia state average of 89%.
How many students attend Stone Bridge High School?
1,629 students attend Stone Bridge High School.
What is the racial composition of the student body?
49% of Stone Bridge High School students are White, 21% of students are Asian, 15% of students are Hispanic, 8% of students are Black, and 7% of students are Two or more races.
What is the student-teacher ratio of Stone Bridge High School?
Stone Bridge High School has a student ration of 13:1, which is lower than the Virginia state average of 14:1.
What grades does Stone Bridge High School offer ?
Stone Bridge High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Stone Bridge High School part of?
Stone Bridge High School is part of Loudoun County School District.
School Reviews
Review Stone Bridge High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
