Chantilly High
#6
Best ACT in Virginia High Schools
2,937
Students
16.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,300
A
29
A
30
A+
40%
B-
16:1
B
This Week at Chantilly High – August 17, 2026
383 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Chantilly High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Chantilly High.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
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4201 Stringfellow Rd, Chantilly, VA 20151
(703)222-8100
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Fairfax County Public Schools
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Academic Calendar
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