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B−

Greenbrier Elementary

PublicElementaryGrades PK–5

21222 San Mar Rd, Boonsboro, MD 21713 · (301) 766-8170 · Part of Washington County Public Schools

Mount Lena’s Schools page →

Directions
Students
259
Students per teacher
16:1
Free or reduced lunch
39%
Setting
Rural
Grades
PK–5
The gist

What stands out about Greenbrier Elementary

  • Its own letter, B−: better results than 52% of Maryland’s public schools
  • Reading / language arts 9 pts below the state
  • Enrollment up 17.7% since 2020–21
  • Next stop for Mount Lena kids: 8 middle schools

On the path

Where Mount Lena kids come from and go next. The whole path →

PK–5Greenbrier ElementaryYou are here
6–88 middle schoolsDepends on your address

Test scores

2020–21
Math proficiency17%
State average 19.3%
Reading / language arts27%
State average 35.5%

Its own letter, B−, places these results among Maryland’s 1,321 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 2020–21.

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.

Parents talk

Questions and answers about Greenbrier Elementary from Mount Lena families.

Other schools in Washington County Public Schools

The district →
Pangborn Elementary
Elementary · Grades PK–5 · Hagerstown
D
749 students13:1
Salem Avenue Elementary
Elementary · Grades PK–5 · Hagerstown
C−
713 students14:1
Maugansville Elementary
Elementary · Grades PK–5 · Maugansville
C+
698 students15:1
Rockland Woods Elementary
Elementary · Grades PK–5 · Hagerstown
B−
655 students15:1
Ruth Ann Monroe Primary
Elementary · Grades PK–2 · Hagerstown
579 students13:1
Williamsport Elementary
Elementary · Grades PK–5 · Williamsport
B+
533 students15:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Maryland’s other public schools; Mount Lena’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.