Greenbrier Elementary
Public
Elementary Grades PK–5 Virtual
Part of Washington County Public Schools
21222 San Mar Rd, Boonsboro, MD 21713 · (301) 766-8170
Community ratings
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Academic performance
Math proficiency17%
State average 19.3%
Reading / language arts27%
State average 35.5%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
259Students enrolled
16:1Student–teacher ratio
39%Free / reduced lunch
RuralSetting
Regular SchoolSchool type
Enrollment by grade
Pre-K38
Kindergarten31
Grade 137
Grade 236
Grade 336
Grade 442
Grade 539
Students
White · 78%202
Hispanic · 10%27
Two or more races · 6%16
Asian · 3%7
Black · 2%6
American Indian/Alaska Native · 0%1
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
220’20
234’21
256’22
250’23
259’24
Location
21222 San Mar Rd Boonsboro
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.