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Stone Mill Elementary

Public Grades PK, KG-5
43rd
SchoolDigger Rank ?
of 865 Maryland Elementary Schools
Better than 95% of Maryland elementary schools
Summary

Stone Mill Elementary is a top-performing public elementary school in North Potomac, Maryland, serving 534 students in grades PK-5 and part of the Montgomery County Public Schools district. The school has consistently ranked within the top 30 elementary schools in the state, maintaining a 5-star rating from SchoolDigger for exceptional academic performance and student outcomes.

Stone Mill Elementary excels academically, with proficiency rates in Mathematics and English Language Arts (ELA) that significantly outpace the state and district averages. In the 2024-2025 school year, the school's proficiency rates were 74.1% in Mathematics and 73.6% in ELA, compared to the state averages of 26.5% and 50.8%, respectively. The school's performance is particularly strong in 3rd grade, where proficiency rates were 78.3% in Mathematics and 79.3% in ELA. Stone Mill Elementary also supports the academic achievement of diverse student subgroups, ranking among the top schools in the state for African American students, English Language Learners, and students with special needs.

Compared to nearby schools, Stone Mill Elementary's academic performance is consistently higher. For example, in the 2024-2025 school year, Cold Spring Elementary had proficiency rates of 85.5% in Mathematics and 84.2% in ELA, while Travilah Elementary had rates of 74.7% and 82.2%, respectively. The school's low chronic absenteeism rate of 8.2% in the 2023-2024 school year, compared to the state average of 23.6%, and its relatively high per-student spending of $20,312 may contribute to its exceptional performance.

516
Students ?
14.5
Student/teacher ratio ?
$20,312
Per pupil spending ?
14.1%
Free/discounted lunch ?
 14323 Stonebridge View Dr
       North Potomac, MD  20878

(240) 740-5450

District: Montgomery County Public Schools


Students who attend Stone Mill Elementary usually attend:

Middle:    Cabin John Middle
High:    Thomas S. Wootton High
Racial breakdown:

Asian:
46.3%
White:
22.5%
Hispanic:
12.2%
more
 See top rated Maryland elementary schools

 Compare Stone Mill Elementary to nearby elementary schools!
At a glance
Ranking trend: Holding steady — 98th percentile in 2015 → 95th in 2025
Strengths
Test scores above the Maryland average (71% vs 38% meeting standards)
Ranks in the top 5% of Maryland elementary schools
Among the top-ranked schools in Montgomery County Public Schools
Worth a look
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2024-2025) ?
This school71%
District avg46%
Maryland avg38%
43rd of 865
Maryland public elementary schools ?
Top 5%▼ down 3 pts since 2015
From top 2% (2015) to top 5% (2025)
See the entire ranking list of Maryland Elementary Schools →
SchoolDigger rating ?
17th of 131Elementary Schools in the Montgomery County Public Schools
8th of 25Montgomery County Public Schools among Maryland districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankMaryland percentileRating
202594.243 of 86595.0%★★★★★
202496.424 of 85997.2%★★★★★
202396.820 of 85597.7%★★★★★
202296.423 of 86297.3%★★★★★
202196.828 of 80296.5%★★★★★
201997.314 of 85398.4%★★★★★
201896.624 of 85797.2%★★★★★
201797.114 of 84798.3%★★★★★
201697.37 of 84599.2%★★★★★
201596.813 of 85998.5%★★★★★
201486.746 of 86794.7%★★★★★
201383.963 of 84792.6%★★★★★
201286.614 of 85798.4%★★★★★
201186.338 of 85395.5%★★★★★
201087.520 of 85597.7%★★★★★
200983.084 of 85090.1%★★★★★
200883.873 of 83891.3%★★★★★
20072.0805 of 8181.6%☆☆☆☆☆
20063.2782 of 8042.7%☆☆☆☆☆
20052.1789 of 8052.0%☆☆☆☆☆
20042.4781 of 8032.7%☆☆☆☆☆

African American

YearAvg scoreStatewide rankMaryland percentileRating
202196.810 of 50498.0%★★★★★

Asian

YearAvg scoreStatewide rankMaryland percentileRating
202173.728 of 12878.1%★★★★☆

English Language Learner

YearAvg scoreStatewide rankMaryland percentileRating
202188.17 of 11593.9%★★★★★

Female

YearAvg scoreStatewide rankMaryland percentileRating
202193.435 of 79695.6%★★★★★

Male

YearAvg scoreStatewide rankMaryland percentileRating
202197.315 of 78898.1%★★★★★

Special Education

YearAvg scoreStatewide rankMaryland percentileRating
202193.13 of 13697.8%★★★★★

White

YearAvg scoreStatewide rankMaryland percentileRating
202179.886 of 52883.7%★★★★☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Male (2021)98th percentile~ school
African American (2021)98th percentile~ school
Special Education (2021)98th percentile~ school
Female (2021)96th percentile~ school
English Language Learner (2021)94th percentile-3 vs school
White (2021)84th percentile-13 vs school
Asian (2021)78th percentile-18 vs school
By subject vs Maryland (2024-2025) ?
Mathematics74%+48 vs state
English Language Arts74%+23 vs state
Science55%+30 vs state

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Frequently Asked Questions about Stone Mill Elementary

In the 2024-25 school year, 516 students attended Stone Mill Elementary.

Yes! Stone Mill Elementary is one of the best elementary schools in the state. It ranks 43rd of 865 Maryland elementary schools.

Students at Stone Mill Elementary are 46% Asian, 22% White, 12% Hispanic, 11% African American, 8% Two or more races.

Students who attend Stone Mill Elementary usually go on to attend:

Middle : Cabin John Middle
High : Thomas S. Wootton High


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maryland State Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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