Chantilly High School is a public high school in the Chantilly CDP in unincorporated Fairfax County, Virginia, United States. It is part of the Fairfax County Public Schools system.
Serving 2,937 students in grades 9-12, Chantilly High School ranks in the top 50% 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 70-74% (which is higher than the Virginia state average of 68%). The percentage of students achieving proficiency in reading/language arts is 70-74% (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 66% of the student body (majority Asian), which is higher than the Virginia state average of 56% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,937 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 66%
- Graduation Rate: 92% (Top 30% in VA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 70-74% (Top 50%)
- Reading Proficiency: 70-74% (Top 50%)
- Science Proficiency: 86% (Top 5%)
- Source: National Center for Education Statistics (NCES), VA Dept. of Education
Top Rankings
Chantilly High School ranks among the top 20% of public schools in Virginia for:
Category
Attribute
Science Proficiency
Diversity
School Overview
Chantilly High School's student population of 2,937 students has stayed relatively flat over five school years.
The teacher population of 229 teachers has grown by 21% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,937 students
Total Classroom Teachers
229 teachers
Year Founded
1973
Colors
White, Purple
School Calendar
Last Day of School
Wed. Jun 10, 2026
School Motto
It's a Great Day to be a Charger!
School Rankings
Chantilly High School ranks within the top 50% of all 1,773 schools in Virginia (based off of combined math and reading proficiency testing data).
The diversity score of Chantilly High School is 0.71, 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
#735 out of 1773 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
70-74%
68%
Reading/Language Arts Test Scores (% Proficient)
(20-21)70-74%
69%
Science Test Scores (% Proficient)
(20-21)86%
59%
Student-Teacher Ratio
13:1
14:1
American Indian
n/a
n/a
Asian
39%
8%
Hispanic
16%
20%
Black
6%
21%
White
34%
44%
Hawaiian
n/a
n/a
Two or more races
5%
7%
All Ethnic Groups
Graduation Rate
92%
89%
Eligible for Free Lunch
17%
57%
Eligible for Reduced Lunch
4%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), VA Dept. of Education
School Notes
- School Mascot: Charlie Charger
Frequently Asked Questions
What is Chantilly High School's ranking?
Chantilly High School is ranked #735 out of 1,773 schools, which ranks it among the top 50% of public schools in Virginia.
What percent of students have achieved state testing proficiency in math and reading?
70-74% of students have achieved math proficiency (compared to the 68% VA state average), while 70-74% of students have achieved reading proficiency (compared to the 69% VA state average).
What is the graduation rate of Chantilly High School?
The graduation rate of Chantilly High School is 92%, which is higher than the Virginia state average of 89%.
How many students attend Chantilly High School?
2,937 students attend Chantilly High School.
What is the racial composition of the student body?
39% of Chantilly High School students are Asian, 34% of students are White, 16% of students are Hispanic, 6% of students are Black, and 5% of students are Two or more races.
What is the student-teacher ratio of Chantilly High School?
Chantilly High School has a student ration of 13:1, which is lower than the Virginia state average of 14:1.
What grades does Chantilly High School offer ?
Chantilly High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Chantilly High School part of?
Chantilly High School is part of Fairfax County School District.
School Reviews
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