Enrollment
259
Maryland · 2024-25 NCES data
Other / mixed grade configuration · Boonsboro, MD
Federal NCES profile for Greenbrier Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Greenbrier Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 84% of Maryland schools.
Greenbrier Elementary has class sizes larger than 84% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Greenbrier Elementary ranks #4 of 4 public schools in Boonsboro, MD.
NCES ID 240066001268 Verify on NCES CCD record →
Enrollment
259
Maryland · 2024-25 NCES data
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
17.3:1
vs 14.5:1 Maryland avg
+19% vs state
Free-lunch eligible
31.6%
vs 49.0% Maryland avg
-36% vs state
How Greenbrier Elementary compares with Maryland and U.S. medians
Slightly above state median
17.3:1 - 2.8 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Greenbrier Elementary is a small combined-grade school in Boonsboro, Maryland, enrolling 259 students.
Class loads run somewhat heavier than typical: 17.3:1 puts it in the larger third of Maryland schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 31.6% of students eligible for free meals.
Enrollment of 259 puts it in the smaller third of Maryland schools by headcount.
Its Resource Investment Index lands in the lower third of 1,382 scored Maryland schools.
Among 68 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #66, in the lower tier once campus size and economic need are matched.
Its student body is led by White (78%) and Hispanic or Latino (10%) (diversity index 38/100).
Counselor access is stretched at roughly 518 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 18.5% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Washington County Public Schools spends $15,838 per pupil, 23% below the Maryland average, a leaner-resourced district than most.
Its district draws 15.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Boonsboro's public schools, it stands alongside Boonsboro Elementary (514 students): Greenbrier Elementary is smaller than that campus by headcount and runs heavier classes (17.3:1 vs 17.1:1).
Washington County Public Schools also operates South Hagerstown High (1,690 students) and North Hagerstown High (1,583 students) alongside Greenbrier Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Greenbrier Elementary on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.3:1 | ▲ 19% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 31.6% | ▼ 36% | 49.0% | 51.7% |
| Enrollment | 259 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 78.0% of enrollment.
Simpson diversity index - at 37.6, Greenbrier Elementary is less mixed than the Maryland school average of 52.3.
District-wide per-pupil expenditure for Washington County Public Schools, which includes Greenbrier Elementary.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Hagerstown High | Larger | Higher economic need | Higher S:T ratio |
| North Hagerstown High | Larger | Higher economic need | Higher S:T ratio |
| Williamsport High | Larger | Higher economic need | Similar S:T ratio |
| Western Heights Middle | Larger | Higher economic need | Lower S:T ratio |
| E. Russell Hicks Middle | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Greenbrier Elementary's own figures; each column derives from NCES Common Core of Data.
1 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Greenbrier Elementary's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Greenbrier Elementary has 259 students enrolled. It is a public school in Boonsboro, MD.
The student-teacher ratio at Greenbrier Elementary is 17.3:1, which is 19% higher than the Maryland average of 14.5:1 and 10% higher than the national average of 15.7:1.
31.6% of students at Greenbrier Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Greenbrier Elementary is White at 78.0% of enrollment, in Boonsboro, MD.
Greenbrier Elementary has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Greenbrier Elementary ranks #4 of 4 public schools in Boonsboro, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Boonsboro on the city page.
Greenbrier Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 84% of Maryland schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Greenbrier Elementary, Washington County Public Schools also operates South Hagerstown High (1,690 students), North Hagerstown High (1,583 students), and Williamsport High (1,061 students). See the Washington County Public Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Greenbrier Elementary, Boonsboro MD.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/greenbrier-elementary-md
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