B−
Greenbrier Elementary
PublicElementaryGrades PK–5Virtual
21222 San Mar Rd, Boonsboro, MD 21713 · (301) 766-8170 · Part of Washington County Public Schools
Students
259
Students per teacher
16:1
Free or reduced lunch
39%
Setting
Rural
Grades
PK–5
What stands out about Greenbrier Elementary
- Reading / language arts 9 pts below the state
- Enrollment up 17.7% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency17%
State average 19.3%
Reading / language arts27%
State average 35.5%
Location
Directions ↗
21222 San Mar Rd, Boonsboro
Students
Enrollment by grade
Pre-K38
Kindergarten31
Grade 137
Grade 236
Grade 336
Grade 442
Grade 539
Enrollment over time
220’20
234’21
256’22
250’23
259’24
Up 17.7% since 2020.
Who goes here
White 78%Hispanic 10%Two or more races 6%Asian 3%Black 2%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Greenbrier Elementary.
Other schools in Washington County Public Schools
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.