Serving 534 students in grades Prekindergarten-5, Stone Mill Elementary School ranks in the top 5% of all schools in Maryland for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 69% (which is higher than the Maryland state average of 25%). The percentage of students achieving proficiency in reading/language arts is 80% (which is higher than the Maryland state average of 45%).
The student:teacher ratio of 14:1 is equal to the Maryland state level of 14:1.
Minority enrollment is 78% of the student body (majority Asian), which is higher than the Maryland state average of 68% (majority Black and Hispanic).
Quick Stats (2025)
- Grades: Prekindergarten-5
- Enrollment: 534 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 78%
- Overall Testing Rank: Top 5% in MD
- Math Proficiency: 69% (Top 5%)
- Reading Proficiency: 80% (Top 5%)
- Science Proficiency: 45-49% (Top 30%)
- Source: National Center for Education Statistics (NCES), MD Dept. of Education
Top Rankings
Stone Mill Elementary School ranks among the top 20% of public schools in Maryland for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
School Overview
Stone Mill Elementary School's student population of 534 students has declined by 12% over five school years.
The teacher population of 37 teachers has grown by 5% over five school years.
Grades Offered
Grades Prekindergarten-5
(offers virtual instruction)
(offers virtual instruction)
Total Students
534 students
Gender %
Total Classroom Teachers
37 teachers
Students by Grade
School Rankings
Stone Mill Elementary School ranks within the top 5% of all 1,347 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Stone Mill Elementary School is 0.71, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#33 out of 1347 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
69%
25%
Reading/Language Arts Test Scores (% Proficient)
80%
45%
Science Test Scores (% Proficient)
45-49%
36%
Student : Teacher Ratio
14:1
14:1
American Indian
n/a
n/a
Asian
46%
7%
Hispanic
11%
23%
Black
13%
33%
White
22%
32%
Hawaiian
n/a
n/a
Two or more races
8%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
12%
44%
Eligible for Reduced Lunch
3%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), MD Dept. of Education
Frequently Asked Questions
What is Stone Mill Elementary School's ranking?
Stone Mill Elementary School is ranked #33 out of 1,347 schools, which ranks it among the top 5% of public schools in Maryland.
What schools are Stone Mill Elementary School often compared to?
Stone Mill Elementary Schoolis often viewed alongside schools like Lakewood Elementary School, Dufief Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
69% of students have achieved math proficiency (compared to the 25% MD state average), while 80% of students have achieved reading proficiency (compared to the 45% MD state average).
How many students attend Stone Mill Elementary School?
534 students attend Stone Mill Elementary School.
What is the racial composition of the student body?
46% of Stone Mill Elementary School students are Asian, 22% of students are White, 13% of students are Black, 11% of students are Hispanic, and 8% of students are Two or more races.
What is the student:teacher ratio of Stone Mill Elementary School?
Stone Mill Elementary School has a student ration of 14:1, which is equal to the Maryland state average of 14:1.
What grades does Stone Mill Elementary School offer ?
Stone Mill Elementary School offers enrollment in grades Prekindergarten-5 (offers virtual instruction).
What school district is Stone Mill Elementary School part of?
Stone Mill Elementary School is part of Montgomery County School District.
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