Enrollment
1,351
Maryland · 2024-25 NCES data
High school (grades 9-12) · Poolesville, MD
Federal NCES profile for Poolesville High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 59/100.
The verdict
Poolesville High earns 59/100 on the Resource Investment Index, with class sizes larger than 94% of Maryland schools.
Poolesville High has class sizes larger than 94% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Poolesville High ranks #2 of 3 public schools in Poolesville, MD.
NCES ID 240048000897 Verify on NCES CCD record →
Enrollment
1,351
Maryland · 2024-25 NCES data
Teachers (FTE)
71.0
Federal CCD staff survey
Students per teacher
19:1
vs 14.5:1 Maryland avg
+31% vs state
Free-lunch eligible
10.5%
vs 49.0% Maryland avg
-79% vs state
How Poolesville High compares with Maryland and U.S. medians
Larger classes than state median
19:1 - 4.5 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Poolesville High is a lower-poverty, large high school in Poolesville, Maryland, enrolling 1,351 students.
Class loads run heavy: 19:1 is larger than about 94% of Maryland schools and 31% above the 14.5:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 10.5% free-meal eligibility runs 79% below the Maryland average.
By headcount it is one of the larger campuses in Maryland, bigger than 93% of state schools at 1,351 students.
Its Resource Investment Index lands in the upper third of 1,382 scored Maryland schools.
Against 75 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #31.
Its student body is led by Asian (38%) and White (37%) (diversity index 70/100).
On the academic-pipeline side it reports 25 Advanced Placement courses.
Counselor coverage runs a bit thin, about 270 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 18.3% of students chronically absent per the 2021-22 civil-rights collection.
Montgomery County Public Schools also operates Montgomery Blair High (3,266 students) and Walter Johnson High (3,016 students) alongside Poolesville High.
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
Poolesville High on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19:1 | ▲ 31% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 10.5% | ▼ 79% | 49.0% | 51.7% |
| Enrollment | 1,351 | top 7% | - | - |
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: Asian at 38.0% of enrollment.
Simpson diversity index - at 70.1, Poolesville High is more mixed than the Maryland school average of 52.3.
District-wide per-pupil expenditure for Montgomery County Public Schools, which includes Poolesville High.
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 |
|---|---|---|---|
| Montgomery Blair High | Larger | Higher economic need | Lower S:T ratio |
| Walter Johnson High | Larger | Similar economic need | Similar S:T ratio |
| Wheaton High | Larger | Higher economic need | Similar S:T ratio |
| Gaithersburg High | Larger | Higher economic need | Lower S:T ratio |
| Seneca Valley High | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Poolesville High's own figures; each column derives from NCES Common Core of Data.
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 Poolesville High'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.
Poolesville High has 1,351 students enrolled. It is a high school in Poolesville, MD.
The student-teacher ratio at Poolesville High is 19:1, which is 31% higher than the Maryland average of 14.5:1 and 21% higher than the national average of 15.7:1.
10.5% of students at Poolesville High are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Poolesville High is Asian at 38.0% of enrollment, in Poolesville, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.1/100.
Poolesville High has a Resource Investment Index of 59/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Poolesville High ranks #2 of 3 public schools in Poolesville, 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 Poolesville on the city page.
Poolesville High earns 59/100 on the Resource Investment Index, with class sizes larger than 94% 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 Poolesville High, Montgomery County Public Schools also operates Montgomery Blair High (3,266 students), Walter Johnson High (3,016 students), and Wheaton High (2,794 students). See the Montgomery 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, “Poolesville High, Poolesville 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/poolesville-high-md
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