Enrollment
516
Maryland · 2024-25 NCES data
Other / mixed grade configuration · Leonardtown, MD
Federal NCES profile for Captain Walter Francis Duke Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Captain Walter Francis Duke Elementary earns 38/100 on the Resource Investment Index, with class sizes near the Maryland median.
Captain Walter Francis Duke Elementary has class sizes near the Maryland median. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Captain Walter Francis Duke Elementary ranks #2 of 4 public schools in Leonardtown, MD.
NCES ID 240060001732 Verify on NCES CCD record →
Enrollment
516
Maryland · 2024-25 NCES data
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
15.2:1
vs 14.5:1 Maryland avg
+5% vs state
Free-lunch eligible
15.0%
vs 49.0% Maryland avg
-69% vs state
How Captain Walter Francis Duke Elementary compares with Maryland and U.S. medians
Slightly above state median
15.2:1 - 0.7 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Captain Walter Francis Duke Elementary is a lower-poverty, mid-sized combined-grade school in Leonardtown, Maryland, enrolling 516 students.
At 15.2:1, its student-teacher ratio sits close to the Maryland median, within a few percentage points of the 14.5:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 15.0% free-meal eligibility runs 69% below the Maryland average.
With 516 students, its enrollment sits close to the Maryland median campus size.
Its Resource Investment Index lands in the lower third of 1,382 scored Maryland schools.
Among 205 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #185, in the lower tier once campus size and economic need are matched.
Its student body is led by White (72%) and Two or More (9%) (diversity index 46/100).
Counselor access is stretched at roughly 516 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 23.1% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding St. Mary's County Public Schools spends $16,038 per pupil, 22% below the Maryland average, a leaner-resourced district than most.
Among Leonardtown's public schools, it stands alongside Leonardtown Elementary (509 students): Captain Walter Francis Duke Elementary is larger than that campus by headcount and runs leaner classes (15.2:1 vs 18.9:1).
St. Mary's County Public Schools also operates Leonardtown High (2,118 students) and Great Mills High (1,697 students) alongside Captain Walter Francis Duke 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
Captain Walter Francis Duke 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 | 15.2:1 | ▲ 5% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 15.0% | ▼ 69% | 49.0% | 51.7% |
| Enrollment | 516 | top 52% | - | - |
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 72.1% of enrollment.
Simpson diversity index - at 45.9, Captain Walter Francis Duke Elementary is less mixed than the Maryland school average of 52.3.
District-wide per-pupil expenditure for St. Mary's County Public Schools, which includes Captain Walter Francis Duke 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 |
|---|---|---|---|
| Leonardtown High | Larger | Similar economic need | Higher S:T ratio |
| Great Mills High | Larger | Higher economic need | Higher S:T ratio |
| Chopticon High | Larger | Higher economic need | Higher S:T ratio |
| Leonardtown Middle | Larger | Similar economic need | Higher S:T ratio |
| Spring Ridge Middle | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Captain Walter Francis Duke 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 Captain Walter Francis Duke 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.
Captain Walter Francis Duke Elementary has 516 students enrolled. It is a public school in Leonardtown, MD.
The student-teacher ratio at Captain Walter Francis Duke Elementary is 15.2:1, which is 5% higher than the Maryland average of 14.5:1 and 3% lower than the national average of 15.7:1.
15.0% of students at Captain Walter Francis Duke Elementary are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Captain Walter Francis Duke Elementary is White at 72.1% of enrollment, in Leonardtown, MD.
Captain Walter Francis Duke Elementary has a Resource Investment Index of 38/100 (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, Captain Walter Francis Duke Elementary ranks #2 of 4 public schools in Leonardtown, 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 Leonardtown on the city page.
Captain Walter Francis Duke Elementary earns 38/100 on the Resource Investment Index, with class sizes near the Maryland median. 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 Captain Walter Francis Duke Elementary, St. Mary's County Public Schools also operates Leonardtown High (2,118 students), Great Mills High (1,697 students), and Chopticon High (1,526 students). See the St. Mary's 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, “Captain Walter Francis Duke Elementary, Leonardtown 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/captain-walter-francis-duke-elementary-md
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