Excellent
#197 of 1,850 schools in VA
Top 11% in state
Rocky Run Middle
Middle School · Fairfax County Public Schools
4400 Stringfellow Rd, Chantilly, VA 20151
Enrollment
886
Student-Teacher
13.2:1
Score
8.2
Grades
7th – 8th
Enrollment
886
Student-Teacher
13.2:1
Score
8.2
Grades
7th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Chantilly
#2 of 7
public schools
Virginia middle schools
#46 of 340
In district
#38 of 199
Fairfax County Public Schools
Academic performance
9.4 / 10
Exceptional
About Rocky Run Middle
Rocky Run Middle is a public middle school in Chantilly, VA, part of the Fairfax County Public Schools. The school serves approximately 886 students in grades 7th – 8th with a student-teacher ratio of 13.2:1. It holds a MySchoolScout rating of 8.2/10, placing it in the 89.4th percentile among VA schools — an above average rating overall.
Students demonstrate 87% proficiency in math, 21 points above the state average and 93% in reading/language arts, 19 points above the state average. The school scores particularly well in school environment (9.2/10). Located in a neighborhood with a median household income of $143,422, where 57% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Rocky Run Middle — Students at Rocky Run Middle score 96% proficient, which is above what's typical for similar communities (expected: 86%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
20.8%
Students qualifying for federal meal assistance
Test Scores VA SOL (2024-25)
Based on 10 test records from VA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.6/10.
How Rocky Run Middle Compares
See how Rocky Run Middle performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 93% (2019) to 99% (2025). Reading/ELA proficiency has remained stable from 93% (2019) to 93% (2025).
Location
4400 Stringfellow Rd, Chantilly, VA 20151
Nearby Alternatives
Families considering Rocky Run Middle may also want to explore other middle schools in the area. Chantilly High (rated 8.4/10, 0.5 miles away), with a very similar rating. Another option is Greenbriar West Elementary (rated 8.2/10, 0.3 miles away, in nearby Fairfax), with a very similar rating. Additionally, Navy Elementary (rated 8.2/10, 2.0 miles away, in nearby Fairfax), with a very similar rating. For more schools in Chantilly, see our Chantilly schools guide .
Nearby Schools
20 within 2.5 mi| School | Distance | Rating |
|---|---|---|
| Greenbriar West Elementary Fairfax | 0.3 mi | 8.2 |
| Chantilly High Chantilly | 0.5 mi | 8.4 |
| Brookfield Elementary Chantilly | 0.7 mi | 4.1 |
| Poplar Tree Elementary Chantilly | 0.8 mi | 6.7 |
| ST TIMOTHY CATHOLIC SCHOOL Chantilly | 0.8 mi | 5.2 |
| Greenbriar East Elementary Fairfax | 0.9 mi | 5.8 |
| Lees Corner Elementary Fairfax | 1.1 mi | 7.6 |
| GUIDEPOST MONTESSORI AT CHANTILLY Chantilly | 1.4 mi | 7.2 |
| Powell Elementary Centreville | 2.0 mi | 7.7 |
| MONTESSORI SCHOOL OF FAIRFAX Chantilly | 2.1 mi | 8.1 |
| MONTESSORI SCHOOL OF CHANTILLY Chantilly | 1.8 mi | — |
| Franklin Middle Chantilly | 2.3 mi | 7.0 |
| Navy Elementary Fairfax | 2.0 mi | 8.2 |
| BEANTREE LEARNING - CHANTILLY Chantilly | 1.9 mi | — |
| THE GODDARD SCHOOL Chantilly | 1.9 mi | — |
| ST VERONICA CATHOLIC SCHOOL Chantilly | 2.5 mi | 6.4 |
| Oak Hill Elementary Herndon | 2.7 mi | 8.1 |
| Mountain View High Centreville | 2.7 mi | 6.0 |
| PRIMROSE SCHOOL OF CHANTILLY Chantilly | 2.9 mi | — |
| MONTESSORI SCHOOL OF OAKTON Faifax | 2.5 mi | 5.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 20151 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$143,422
Median Home Value
$647,400
Median Rent
$2,245/mo
Population
22,502
College Educated
57.2%
Homeownership
79.5%
Avg Commute
29.2 min
Poverty Rate
6.4%
Median Age
40.7
Community Profile
The community surrounding Rocky Run Middle has a median household income of $143,422. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $647,400, with a median rent of $2,245/month. The local poverty rate of 6.4% is relatively low. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Farmwell Station Middle Ashburn, VA | 8.2 |
| Greenbrier Middle Chesapeake, VA | 8.2 |
| Union Middle Big Stone Gap, VA | 8.2 |
| Cooper Middle Mclean, VA | 8.1 |
| Francis W. Jones Magnet Middle Hampton, VA | 8.1 |
| Peasley Middle Gloucester, VA | 8.1 |
Frequently Asked Questions
Common questions about Rocky Run Middle
What grades does Rocky Run Middle serve?
Rocky Run Middle serves students in grades 7th through 8th.
How many students attend Rocky Run Middle?
Rocky Run Middle has an enrollment of approximately 886 students.
What is the student-teacher ratio at Rocky Run Middle?
The student-teacher ratio at Rocky Run Middle is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Rocky Run Middle rank in VA?
Rocky Run Middle is ranked #197 out of 1,850 schools in VA.
What is Rocky Run Middle's MySchoolScout rating?
Rocky Run Middle has a composite rating of 8.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Rocky Run Middle?
Based on the most recent state assessment data, Rocky Run Middle has 87.4% math proficiency and 92.6% reading/ELA proficiency.
Is Rocky Run Middle a charter school?
No, Rocky Run Middle is not a charter school. It is a traditional public school operated by the local school district.
Is Rocky Run Middle a Title I school?
No, Rocky Run Middle is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Rocky Run Middle?
20.8% of students at Rocky Run Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
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FBI UCR. County-level only.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 7th – 8th
- Enrollment
- 886
- Student-Teacher Ratio
- 13.2:1
- Teachers (FTE)
- 67
- Free/Reduced Lunch
- 20.8%
- Type
- regular
- Setting
- Large Suburb
- County
- Fairfax County
- Phone
- (703) 802-7700
- Data Year
- 2023–2024
Resources & Links
District
Fairfax County Public Schools- District Enrollment
- 180,714
- Schools in District
- 223
- Per-Pupil Spending
- $18,975
- District Rank
- #38 of 199
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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