Very Good
#431 of 1,363 schools in MD
Top 32% in state
Greenbrier Elementary
Elementary School · Washington County Public Schools
21222 San Mar Rd, Boonsboro, MD 21713
Enrollment
250
Student-Teacher
15.6:1
Score
7.4
Grades
Pre-K – 5th
Enrollment
250
Student-Teacher
15.6:1
Score
7.4
Grades
Pre-K – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Maryland schools
#431 of 1,363
In Boonsboro
#4 of 4
public schools
In district
#15 of 42
Washington County Public Schools
Equity
8.2 / 10
Excellent
Shortlisting around Greenbrier Elementary?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Greenbrier Elementary
Elementary School in Boonsboro · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.
Highland View Academy
2.6 mi away. Use as a geographic alternative in the same move search.
Tri State Christian Academydba Boonsboro Academy
2.8 mi away. Use as a geographic alternative in the same move search.
About Greenbrier Elementary
Greenbrier Elementary is a public elementary school in Boonsboro, MD, part of Washington County Public Schools. Greenbrier Elementary serves approximately 250 students, and covers grades Pre-K-5th, and has a 15.6:1 student-teacher ratio. Greenbrier Elementary has a current MySchoolScout rating of 7.4 out of 10 and ranks #431 of 1,363 schools in MD.
Structured state assessment records for Greenbrier Elementary show 59% math proficiency (multi-year average, 2009-2025) and 65% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 7.4 · Very Good
- District avg 6.8
- MD avg 6.3
What Parents Should Know
Greenbrier Elementary sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Greenbrier Elementary — Students at Greenbrier Elementary score 50% proficient, which is above what's typical for similar communities (expected: 47%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
38.8%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 28 test records from MD state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.0/10.
How Greenbrier Elementary Compares
See how Greenbrier Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
21222 San Mar Rd, Boonsboro, MD 21713
Nearby Alternatives
Families considering Greenbrier Elementary may also want to explore other elementary schools in the area. Boonsboro Elementary (rated 9.0/10, 3.2 miles away), which scores notably higher. Another option is Wolfsville Elementary (rated 8.6/10, 4.3 miles away, in nearby Myersville), which scores notably higher. Additionally, Myersville Elementary (rated 8.0/10, 4.8 miles away, in nearby Myersville), which scores slightly higher. For more schools in Boonsboro, see our Boonsboro schools guide .
Nearby Schools
20 within 7.7 mi| School | Distance | Rating |
|---|---|---|
| HIGHLAND VIEW ACADEMY Hagerstown | 2.6 mi | 7.0 |
| TRI STATE CHRISTIAN ACADEMYDBA BOONSBORO ACADEMY Boonsboro | 2.8 mi | — |
| Boonsboro Middle Boonsboro | 3.0 mi | 8.0 |
| Boonsboro High Boonsboro | 3.1 mi | 7.9 |
| MT AETNA ADVENTIST SCHOOL (MAAS) Hagerstown | 3.0 mi | 7.2 |
| Boonsboro Elementary Boonsboro | 3.2 mi | 9.0 |
| Wolfsville Elementary Myersville | 4.3 mi | 8.6 |
| Myersville Elementary Myersville | 4.8 mi | 8.0 |
| LUCY SCHOOL Middletown | 5.4 mi | 6.4 |
| Ruth Ann Monroe Primary Hagerstown | 5.6 mi | 7.4 |
| Eastern Elementary Hagerstown | 5.7 mi | 5.9 |
| Old Forge Elementary Hagerstown | 6.9 mi | 7.3 |
| Pangborn Elementary Hagerstown | 6.7 mi | 4.9 |
| Rockland Woods Elementary Hagerstown | 5.8 mi | 7.0 |
| Smithsburg Elementary Smithsburg | 7.5 mi | 6.7 |
| Smithsburg High Smithsburg | 7.7 mi | 7.0 |
| E. Russell Hicks Middle Hagerstown | 6.7 mi | 6.8 |
| Emma K. Doub Elementary Hagerstown | 6.8 mi | 7.9 |
| Bester Elementary Hagerstown | 7.1 mi | 4.8 |
| Potomac Heights Elementary Hagerstown | 7.7 mi | 6.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 21713 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$101,585
Median Home Value
$348,300
Median Rent
$1,224/mo
Population
10,146
College Educated
28.4%
Homeownership
80.3%
Avg Commute
33.6 min
Poverty Rate
7.7%
Median Age
45
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Carroll Creek Montessori Public Charter Frederick, MD | 7.4 |
| Cresaptown Elementary Cresaptown, MD | 7.4 |
| ST JOHNS PARISH DAY SCHOOL Ellicott City, MD | 7.4 |
| St. Michaels Elementary St. Michaels, MD | 7.4 |
| Parkway Elementary Frederick, MD | 7.5 |
| Pleasant Valley Elementary Knoxville, MD | 7.5 |
Frequently Asked Questions
Common questions about Greenbrier Elementary
What grades does Greenbrier Elementary serve?
Greenbrier Elementary serves students in grades Pre-K through 5th.
How many students attend Greenbrier Elementary?
Greenbrier Elementary has an enrollment of approximately 250 students.
What is the student-teacher ratio at Greenbrier Elementary?
The student-teacher ratio at Greenbrier Elementary is 15.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Greenbrier Elementary rank in MD?
Greenbrier Elementary ranks #431 of 1,363 schools in MD.
What is Greenbrier Elementary's MySchoolScout rating?
Greenbrier Elementary has a current MySchoolScout rating of 7.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Greenbrier Elementary?
Based on loaded state assessment records, Greenbrier Elementary has 59% math proficiency (multi-year average, 2009-2025) and 65% reading/ELA proficiency (multi-year average, 2009-2025).
Is Greenbrier Elementary a charter school?
No, Greenbrier Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Greenbrier Elementary a Title I school?
No, Greenbrier Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Greenbrier Elementary?
38.8% of students at Greenbrier Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 250
- Student-Teacher Ratio
- 15.6:1
- Teachers (FTE)
- 16
- Free/Reduced Lunch
- 38.8%
- Type
- regular
- Setting
- Fringe Rural
- County
- Washington County
- Chronic Absenteeism (SY 2022-23)
- 15.2%
- Phone
- (301) 766-8170
Resources & Links
District
Washington County Public Schools- District Enrollment
- 22,549
- Schools in District
- 43
- Per-Pupil Spending
- $17,937
- District Rank
- #15 of 42
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateGet school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.