Enrollment
1,230
Maryland · 2024-25 NCES data
High school (grades 9-12) · Waldorf, MD
Federal NCES profile for Thomas Stone High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Thomas Stone High School earns 51/100 on the Resource Investment Index, with class sizes larger than 70% of Maryland schools.
Thomas Stone High School has class sizes larger than 70% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Thomas Stone High School ranks #2 of 4 high schools in Waldorf, MD.
NCES ID 240027000607 Verify on NCES CCD record →
Enrollment
1,230
Maryland · 2024-25 NCES data
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
16:1
vs 14.5:1 Maryland avg
+10% vs state
Free-lunch eligible
54.6%
vs 49.0% Maryland avg
+11% vs state
How Thomas Stone High School compares with Maryland and U.S. medians
Slightly above state median
16:1 - 1.5 above the Maryland state median of 14.5:1, indicating larger average class loads than typical schools in the state.
Thomas Stone High School is a higher-need, large high school in Waldorf, Maryland, enrolling 1,230 students.
Class loads run somewhat heavier than typical: 16:1 puts it in the larger third of Maryland schools by student-teacher ratio.
Its free-meal eligibility rate of 54.6% lands close to the Maryland typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Maryland, bigger than 91% of state schools at 1,230 students.
Its Resource Investment Index lands in the lower third of 1,382 scored Maryland schools.
Against 132 statewide peers matched on enrollment and economic need, it ranks mid-pack at #59.
Its student body is led by African American (64%) and Hispanic or Latino (22%) (diversity index 54/100).
On the academic-pipeline side it reports 20 Advanced Placement courses.
Counselor coverage is strong, about 246 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 43.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Among Waldorf's high schools, it stands alongside North Point High School (1,960 students): Thomas Stone High School is smaller than that campus by headcount and runs heavier classes (16:1 vs 15.9:1).
Charles County Public Schools also operates North Point High School (1,960 students) and St. Charles High School (1,617 students) alongside Thomas Stone High School.
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 Stone High School on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16:1 | ▲ 10% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 54.6% | ▲ 11% | 49.0% | 51.7% |
| Enrollment | 1,230 | top 9% | - | - |
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 63.5% of enrollment.
Simpson diversity index - at 54.1, Thomas Stone High School is about as mixed as the Maryland school average of 52.3.
District-wide per-pupil expenditure for Charles County Public Schools, which includes Thomas Stone High School.
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 |
|---|---|---|---|
| North Point High School | Larger | Lower economic need | Similar S:T ratio |
| St. Charles High School | Larger | Lower economic need | Higher S:T ratio |
| La Plata High School | Similar size | Lower economic need | Higher S:T ratio |
| Westlake High School | Similar size | Lower economic need | Higher S:T ratio |
| Maurice J. Mcdonough High School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Thomas Stone High School's own figures; each column derives from NCES Common Core of Data.
3 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 Thomas Stone High School'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 Stone High School has 1,230 students enrolled. It is a high school in Waldorf, MD.
The student-teacher ratio at Thomas Stone High School is 16:1, which is 10% higher than the Maryland average of 14.5:1 and 2% higher than the national average of 15.7:1.
54.6% of students at Thomas Stone High School are eligible for free lunch, compared to the Maryland average of 49.0%.
The largest demographic group at Thomas Stone High School is African American at 63.5% of enrollment, in Waldorf, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.1/100.
Thomas Stone High School has a Resource Investment Index of 51/100 (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, Thomas Stone High School ranks #2 of 4 high schools in Waldorf, 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 Waldorf on the city page.
Thomas Stone High School earns 51/100 on the Resource Investment Index, with class sizes larger than 70% 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 Stone High School, Charles County Public Schools also operates North Point High School (1,960 students), St. Charles High School (1,617 students), and La Plata High School (1,217 students). See the Charles 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 Stone High School, Waldorf 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-stone-high-school-md
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