Greenbrier Elementary

Elementary school·Grades PK-5 Boonsboro, Maryland·21713
Score
61.4/100
Compare Greenbrier Elementary with another school
#296
Among 765 Maryland elementary schools
#13
In Washington County Public Schools
#2
In Boonsboro
Top 39%
In Maryland

Score 61.4/100: better than 61% of Maryland elementary schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% proficient on state tests in Maryland, all students. Colored bars are green when the school is at or above the average for similar Maryland schools.

English language arts
52%
Similar Maryland schools ≈ 50%, better than 57% of them
119 students tested
Math
37%
Similar Maryland schools ≈ 36%, better than 56% of them
119 students tested
Science
47%
Similar Maryland schools ≈ 34%, better than 75% of them
43 students tested
All Maryland schools (ELA / math)
52% / 28%
State average across every school type, 2025-26
All 9 published results by grade and test

As published by Maryland State Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 3MCAP English Language Arts 0360.538
English language artsGrade 4MCAP English Language Arts 0455.338
English language artsGrade 5MCAP English Language Arts 0541.943
English language artsAll gradesMCAP English Language Arts All Grades52.1119
MathGrade 3MCAP Mathematics 0334.238
MathGrade 4MCAP Mathematics 045038
MathGrade 5MCAP Mathematics 0527.943
MathAll gradesMCAP Mathematics All Grades37119
ScienceGrade 5MCAP Science Grade 546.543

School profile

Grades
PK-5
Students
250
Type
Elementary school
Charter school
No
Program
Regular

Students

Enrollment
250
Typical elementary school: 466
Free or reduced-price lunch
40%
Typical elementary school: 55%

District and location

City
Washington County

Contact

Address
21222 San Mar Rd
Boonsboro, MD 21713

"Typical" is the middle (median) elementary school in Maryland. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Greenbrier Elementary at a glance

Greenbrier Elementary is a public elementary school in Boonsboro, Maryland, serving grades PK-5. It is part of Washington County Public Schools. It has about 250 students (a typical Maryland elementary school has 466). About 40% of students are eligible for free or reduced-price lunch, compared with 55% at a typical Maryland elementary school, which is useful context when reading test results.

In 2025-26 state tests, 52% in English language arts (similar schools: 50%) and 37% in math (similar schools: 36%) reached the state standard (% proficient). On our score, which compares it only with other Maryland elementary schools, it scores 61.4 out of 100: better than 61% of them, ranking #296 of 765. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Greenbrier Elementary with another school

Page updated 2026-10-12.