Very Good
#399 of 1,851 schools in VA
Top 22% in state
South Lakes High
High School · Fairfax County Public Schools · Reston, VA
A Fairfax County Public Schools high school serving grades 9th – 12th.
11400 South Lakes Dr, Reston, VA 20191
- Math 79% vs VA 75% (2025)
- Reading 88% vs VA 76% (2025)
- 93.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at South Lakes High score 84% proficient, which is above what's typical for similar communities (expected: 81%).
2025 SOL proficiency
Most recent published year. School vs. VA average.
Trend
→ SteadyProficiency has held near 84% across the 17-year record (2009–2025).
Show all 14 years
Multi-year averages used by the rating model: math 75% (multi-year average, 2009-2025) · reading/ELA 88% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 27 test records from VA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
33.3%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where South Lakes High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Washington DC map →
Getting around & local context
- Walk 40Car-Dependent
- Transit 33Some Transit
- Bike 58Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$141,019
Median home value
$616,700
Median rent
$1,983/mo
College educated
65.9%
Homeownership
69.4%
Poverty rate
5.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 20191; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Dominion Christian SchoolPrivate · tuition | 5.3private | 7–12 | 1.4 mi | 76 | Compare → |
| Berthold Academy for the Gifted and TalentedPrivate · tuition | Not rated | 1–12 | 3.9 mi | 27 | Compare → |
| Ideaventions Academy for Mathematics and SciencePrivate · tuition | 6.9private | 4–12 | 4.0 mi | 57 | Compare → |
| Madison HighEnrollment path unverified | 8.6 | 9–12 | 4.1 mi | 2,113 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Fairfax County Public Schools
- Schools in district
- 223
- Rank in district
- #69 of 199
- District spending per student
- $18,975NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 6.1%Census SAIPE · 2024
South Lakes High is listed in Fairfax County Public Schools; a district label does not verify attendance for an address.
About South Lakes High
South Lakes High is a public high school in Reston, VA, part of Fairfax County Public Schools, serving approximately 2,473 students in grades 9th-12th with a 11.3:1 student-teacher ratio. It holds a MySchoolScout rating of 7.8 out of 10 and ranks #399 of 1,851 schools in VA. State assessment records show 75% math proficiency (multi-year average, 2009-2025) and 88% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about South Lakes High
What grades does South Lakes High serve?
South Lakes High serves students in grades 9th through 12th.
How many students attend South Lakes High?
South Lakes High has an enrollment of approximately 2,473 students.
What is the student-teacher ratio at South Lakes High?
The student-teacher ratio at South Lakes High is 11.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does South Lakes High rank in VA?
South Lakes High ranks #399 of 1,851 schools in VA.
What is South Lakes High's MySchoolScout rating?
South Lakes High has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at South Lakes High?
Based on loaded state assessment records, South Lakes High has 75% math proficiency (multi-year average, 2009-2025) and 88% reading/ELA proficiency (multi-year average, 2009-2025).
Is South Lakes High a charter school?
No, South Lakes High is not a charter school. It is a traditional public school operated by the local school district.
Is South Lakes High a Title I school?
No, South Lakes High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for South Lakes High?
33.3% of students at South Lakes High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 2,473
- Student-Teacher Ratio
- 11.3:1
- Teachers (FTE)
- 219
- Type
- regular
- Setting
- Small City
- County
- Fairfax County
- Chronic Absenteeism (SY 2022-23)
- 22.7%
- Phone
- (703) 715-4500
- 4-Year Graduation
- 93.0%
- Area population (ZIP 20191)
- 30,077
- Area average commute
- 26.6 min
- Area median age
- 39.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 SOL · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 SOL. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 SOL · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 SOL. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 20191; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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