Rocky Run Middle
🇺🇸 Official data · 2025Chantilly, Virginia 20151 · Fairfax County Public Schools
#41 of 340 middle schools in Virginia
#322 of 15,369 nationally
About Rocky Run Middle
Rocky Run Middle is a public middle located in Chantilly, in the Fairfax County Public Schools school district of Virginia, United States. It caters for Grades 7–8. In 2025 it enrolled 882 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 89.5 out of 100, placing it in the top 5% of middle schools in United States and 41st of 340 ranked middle schools in Virginia. Its strongest component is reading proficiency (100th percentile), and its weakest is students per teacher (47th percentile).
Other published figures: enrollment 882.
There are 7 schools in Chantilly; Rocky Run Middle ranks 5th of 7 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)93%
- Reading proficiency (30%)93%
- Community advantage (fewer free/reduced-price lunch) (25%)19.6%
- Students per teacher (15%)15.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Rocky Run Middle by the official sources.
- Enrollment
- 882
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 19.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 93%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 93%
- Share of tested students proficient or above (all students, all grades).
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Schools near Rocky Run Middle
Closest schools by straight-line distance, with their Success Index (US).
Greenbriar West Elementary
Fairfax · Public elementary · Grades PK–6
630 students · 466 m away
Chantilly High
Chantilly · Public high · Grades 9–12
2,937 students · 742 m away
Brookfield Elementary
Chantilly · Public elementary · Grades PK–6
684 students · 1.2 km away
Poplar Tree Elementary
Chantilly · Public elementary · Grades PK–6
683 students · 1.3 km away
Greenbriar East Elementary
Fairfax · Public elementary · Grades PK–6
922 students · 1.4 km away
Lees Corner Elementary
Fairfax · Public elementary · Grades PK–6
547 students · 1.8 km away
Powell Elementary
Centreville · Public elementary · Grades PK–6
872 students · 3.1 km away
Navy Elementary
Fairfax · Public elementary · Grades PK–6
848 students · 3.2 km away
Franklin Middle
Chantilly · Public middle · Grades 7–8
798 students · 3.8 km away
Cub Run Elementary
Centreville · Public elementary · Grades PK–6
620 students · 4.3 km away
Similar schools
Public middle schools in Virginia with a comparable Enrollment.
Holmes Middle
Alexandria · Public middle · Grades 6–8
881 students
Poe Middle
Annandale · Public middle · Grades 6–8
879 students
Smart's Mill Middle
Leesburg · Public middle · Grades 6–8
885 students
Donald B. Dixon-Lyle R. Smith Middle
Fredericksburg · Public middle · Grades 6–8
887 students
Salem Church Middle
North Chesterfield · Public middle · Grades 6–8
876 students
John Rolfe Middle
Richmond · Public middle · Grades 6–8
874 students
Frequently asked questions
Is Rocky Run Middle a good school?
Rocky Run Middle has a Success Index (US) of 89.5 out of 100 (Top 5% of middle schools in United States) and ranks #41 of 340 in Virginia. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Rocky Run Middle rank in Virginia?
Rocky Run Middle ranks #41 of 340 middle schools in Virginia and #322 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Rocky Run Middle?
Rocky Run Middle had 882 students in 2025.
Is Rocky Run Middle a elementary school or a high school?
Rocky Run Middle is classified as a middle covering Grades 7–8. It is a public school.
What other schools are near Rocky Run Middle?
There are 10 schools within 15 km of Rocky Run Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.