South Lakes High
#13
Best ACT in Virginia High Schools
2,530
Students
15.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,220
A-
27
A
3
B-
15:1
B+
This Week at South Lakes High – August 17, 2026
330 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at South Lakes High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at South Lakes 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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Carlos Seward
11400 South Lakes Dr, Reston, VA 20191
(703)715-4500
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Fairfax County Public Schools
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Academic Calendar
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