Enrollment
1,156
Maryland · 2024-25 NCES data
High school (grades 9-12) · Westminster, MD
Federal NCES profile for Winters Mill High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
The verdict
Winters Mill High earns 53/100 on the Resource Investment Index, with class sizes larger than 88% of Maryland schools.
Winters Mill High has class sizes larger than 88% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Winters Mill High ranks #2 of 5 high schools in Westminster, MD.
NCES ID 240021001185 Verify on NCES CCD record →
Enrollment
1,156
Maryland · 2024-25 NCES data
Teachers (FTE)
65.0
Federal CCD staff survey
Students per teacher
17.8:1
vs 14.5:1 Maryland avg
+23% vs state
Free-lunch eligible
31.5%
vs 49.0% Maryland avg
-36% vs state
How Winters Mill High compares with Maryland and U.S. medians
Larger classes than state median
17.8:1 - 3.3 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Winters Mill High is a large high school in Westminster, Maryland, enrolling 1,156 students.
Class loads run heavy: 17.8:1 is larger than about 88% of Maryland schools and 23% above the 14.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 31.5% of students eligible for free meals.
By headcount it is one of the larger campuses in Maryland, bigger than 90% of state schools at 1,156 students.
Its Resource Investment Index sits near the middle of the pack among 1,382 scored Maryland schools.
Against 141 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #58.
Its student body is led by White (66%) and Hispanic or Latino (18%) (diversity index 52/100).
On the academic-pipeline side it reports 18 Advanced Placement courses.
Counselor coverage is strong, about 231 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 31.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Carroll County Public Schools spends $15,757 per pupil, 23% below the Maryland average, a leaner-resourced district than most.
Among Westminster's high schools, it stands alongside Westminster High (1,477 students): Winters Mill High is smaller than that campus by headcount and runs heavier classes (17.8:1 vs 15.9:1).
Carroll County Public Schools also operates Westminster High (1,477 students) and Manchester Valley High (1,339 students) alongside Winters Mill 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
Winters Mill 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 | 17.8:1 | ▲ 23% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 31.5% | ▼ 36% | 49.0% | 51.7% |
| Enrollment | 1,156 | top 10% | - | - |
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 66.3% of enrollment.
Simpson diversity index - at 51.9, Winters Mill High is about as mixed as the Maryland school average of 52.3.
District-wide per-pupil expenditure for Carroll County Public Schools, which includes Winters Mill 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 |
|---|---|---|---|
| Westminster High | Larger | Similar economic need | Lower S:T ratio |
| Manchester Valley High | Similar size | Similar economic need | Similar S:T ratio |
| Century High | Similar size | Lower economic need | Similar S:T ratio |
| Liberty High | Similar size | Lower economic need | Similar S:T ratio |
| South Carroll High | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Winters Mill High's own figures; each column derives from NCES Common Core of Data.
4 comparable high schools (grades 9-12) 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 Winters Mill 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.
Winters Mill High has 1,156 students enrolled. It is a high school in Westminster, MD.
The student-teacher ratio at Winters Mill High is 17.8:1, which is 23% higher than the Maryland average of 14.5:1 and 13% higher than the national average of 15.7:1.
31.5% of students at Winters Mill High are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Winters Mill High is White at 66.3% of enrollment, in Westminster, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.9/100.
Winters Mill High has a Resource Investment Index of 53/100 (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, Winters Mill High ranks #2 of 5 high schools in Westminster, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Westminster on the city page.
Winters Mill High earns 53/100 on the Resource Investment Index, with class sizes larger than 88% 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 Winters Mill High, Carroll County Public Schools also operates Westminster High (1,477 students), Manchester Valley High (1,339 students), and Century High (1,101 students). See the Carroll 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, “Winters Mill High, Westminster 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/winters-mill-high-md
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