Enrollment
758
Maryland · 2024-25 NCES data
Middle school (grades 6-8) · Hanover, MD
Federal NCES profile for Thomas Viaduct, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Thomas Viaduct earns 49/100 on the Resource Investment Index, with class sizes smaller than 80% of Maryland schools.
Thomas Viaduct has class sizes smaller than 80% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Thomas Viaduct ranks #1 of 4 public schools in Hanover, MD.
NCES ID 240042001720 Verify on NCES CCD record →
Enrollment
758
Maryland · 2024-25 NCES data
Teachers (FTE)
62.0
Federal CCD staff survey
Students per teacher
12.2:1
vs 14.5:1 Maryland avg
-16% vs state
Free-lunch eligible
43.4%
vs 49.0% Maryland avg
-11% vs state
How Thomas Viaduct compares with Maryland and U.S. medians
Smaller classes than state median
12.2:1 - 2.3 below the Maryland state median of 14.5:1, indicating smaller average class loads than typical schools in the state.
Thomas Viaduct is a mid-sized middle school in Hanover, Maryland, enrolling 758 students.
Class sizes run a bit leaner than typical: 12.2:1 puts it in the smaller third of Maryland schools by student-teacher ratio.
Its free-meal eligibility rate of 43.4% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
Enrollment of 758 puts it in the larger third of Maryland schools by headcount.
Its Resource Investment Index lands in the upper third of 1,382 scored Maryland schools.
Against 272 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #40.
Its student body is led by African American (44%) and Hispanic or Latino (22%) (diversity index 71/100).
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 29.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Howard County Public Schools also operates Marriotts Ridge High (1,741 students) and Reservoir High (1,597 students) alongside Thomas Viaduct.
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
Thomas Viaduct on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▼ 16% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 43.4% | ▼ 11% | 49.0% | 51.7% |
| Enrollment | 758 | top 24% | - | - |
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: African American at 44.2% of enrollment.
Simpson diversity index - at 71.4, Thomas Viaduct is more mixed than the Maryland school average of 52.3.
District-wide per-pupil expenditure for Howard County Public Schools, which includes Thomas Viaduct.
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 |
|---|---|---|---|
| Marriotts Ridge High | Larger | Lower economic need | Higher S:T ratio |
| Reservoir High | Larger | Lower economic need | Similar S:T ratio |
| Atholton High | Larger | Lower economic need | Higher S:T ratio |
| Howard High | Larger | Lower economic need | Similar S:T ratio |
| Mount Hebron High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Thomas Viaduct'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 Thomas Viaduct'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.
Thomas Viaduct has 758 students enrolled. It is a middle school in Hanover, MD.
The student-teacher ratio at Thomas Viaduct is 12.2:1, which is 16% lower than the Maryland average of 14.5:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
43.4% of students at Thomas Viaduct are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Thomas Viaduct is African American at 44.2% of enrollment, in Hanover, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.4/100.
Thomas Viaduct has a Resource Investment Index of 49/100 (higher 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, Thomas Viaduct ranks #1 of 4 public schools in Hanover, 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 Hanover on the city page.
Thomas Viaduct earns 49/100 on the Resource Investment Index, with class sizes smaller than 80% 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 Thomas Viaduct, Howard County Public Schools also operates Marriotts Ridge High (1,741 students), Reservoir High (1,597 students), and Atholton High (1,540 students). See the Howard 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, “Thomas Viaduct, Hanover 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/thomas-viaduct-md
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