Stone Mill Elementary
🇺🇸 Official data · 2025North Potomac, Maryland 20878 · Montgomery County Public Schools
#14 of 879 elementary schools in Maryland
#1408 of 50,301 nationally
About Stone Mill Elementary
Stone Mill Elementary is a public elementary located in North Potomac, in the Montgomery County Public Schools school district of Maryland, United States. It caters for Grades PK–5. In 2025 it enrolled 516 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 87.7 out of 100, placing it in the top 5% of elementary schools in United States and 14th of 879 ranked elementary schools in Maryland. Its strongest component is reading proficiency (96th percentile), and its weakest is students per teacher (51th percentile).
Other published figures: enrollment 516.
There are 2 schools in North Potomac; Stone Mill Elementary ranks 2nd of 2 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)78%
- Reading proficiency (30%)83%
- Community advantage (fewer free/reduced-price lunch) (25%)14.1%
- Students per teacher (15%)14.7
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 Stone Mill Elementary by the official sources.
- Enrollment
- 516
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 14.1%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 14.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 83%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 78%
- Share of tested students proficient or above (all students, all grades).
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Schools near Stone Mill Elementary
Closest schools by straight-line distance, with their Success Index (US).
Lakewood Elementary
Rockville · Public elementary · Grades K–5
406 students · 1.9 km away
DuFief Elementary
Gaithersburg · Public elementary · Grades K–5
276 students · 2.3 km away
Robert Frost Middle School
Rockville · Public middle · Grades 6–8
915 students · 2.9 km away
Fields Road Elementary
Gaithersburg · Public elementary · Grades PK–5
453 students · 3.0 km away
Lakelands Park Middle
Gaithersburg · Public middle · Grades 6–8
993 students · 3.1 km away
Travilah Elementary
North Potomac · Public elementary · Grades K–5
372 students · 3.1 km away
Thomas S. Wootton High
Rockville · Public high · Grades 9–12
1,870 students · 3.2 km away
Fallsmead Elementary
Rockville · Public elementary · Grades K–5
512 students · 3.7 km away
Rachel Carson Elementary
Gaithersburg · Public elementary · Grades PK–5
671 students · 3.9 km away
Summit Hall Elementary
Gaithersburg · Public elementary · Grades PK–5
413 students · 4.3 km away
Similar schools
Public elementary schools in Maryland with a comparable Enrollment.
The Mount Washington School
Baltimore · Public elementary · Grades PK–8
516 students
Atholton Elementary
Columbia · Public elementary · Grades PK–5
516 students
Judith A. Resnik Elementary
Gaithersburg · Public elementary · Grades PK–5
516 students
Glenarden Woods Elementary
Lanham · Public elementary · Grades 2–5
516 students
Cora L. Rice Elementary
Landover · Public elementary · Grades PK–5
516 students
Captain Walter Francis Duke Elementary
Leonardtown · Public elementary · Grades PK–5
516 students
Frequently asked questions
Is Stone Mill Elementary a good school?
Stone Mill Elementary has a Success Index (US) of 87.7 out of 100 (Top 5% of elementary schools in United States) and ranks #14 of 879 in Maryland. 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 Stone Mill Elementary rank in Maryland?
Stone Mill Elementary ranks #14 of 879 elementary schools in Maryland and #1408 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Stone Mill Elementary?
Stone Mill Elementary had 516 students in 2025.
Is Stone Mill Elementary a elementary school or a high school?
Stone Mill Elementary is classified as a elementary covering Grades PK–5. It is a public school.
What other schools are near Stone Mill Elementary?
There are 10 schools within 15 km of Stone Mill Elementary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.