Enrollment
3,208
Texas · 2024-25 NCES data
High school (grades 9-12) · Arlington, TX
Federal NCES profile for Sam Houston H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 64/100.
The verdict
Sam Houston H S earns 64/100 on the Resource Investment Index, with class sizes near the Texas median. It is also one of the largest schools in Texas.
Sam Houston H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Sam Houston H S ranks #5 of 13 high schools in Arlington, TX.
NCES ID 480870000249 Verify on NCES CCD record →
Enrollment
3,208
Texas · 2024-25 NCES data
Teachers (FTE)
207.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 14.7:1 Texas avg
+5% vs state
Free-lunch eligible
84.4%
vs 61.9% Texas avg
+36% vs state
How Sam Houston H S compares with Texas and U.S. medians
Slightly above state median
15.5:1 - 0.8 above the Texas state median of 14.7:1, indicating larger average class loads than typical schools in the state.
Sam Houston H S is a high-poverty, large high school in Arlington, Texas, enrolling 3,208 students.
Class loads run somewhat heavier than typical: 15.5:1 puts it in the larger third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 84.4% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 99% of state schools at 3,208 students.
Its Resource Investment Index lands in the upper third of 8,960 scored Texas schools.
Against 83 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #17.
Its student body is led by Hispanic or Latino (75%) and African American (17%) (diversity index 40/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage runs a bit thin, about 267 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Its district draws 19.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 20 expulsions at this campus for 2021-22.
Arlington Isd also operates Martin H S (3,535 students) and Arlington H S (2,580 students) alongside Sam Houston H S.
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
Sam Houston H S on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.5:1 | ▲ 5% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 84.4% | ▲ 36% | 61.9% | 51.7% |
| Enrollment | 3,208 | top 1% | - | - |
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: Hispanic or Latino at 75.1% of enrollment.
Simpson diversity index - at 40.4, Sam Houston H S is less mixed than the Texas school average of 44.7.
District-wide per-pupil expenditure for Arlington Isd, which includes Sam Houston H S.
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 |
|---|---|---|---|
| Martin H S | Similar size | Lower economic need | Higher S:T ratio |
| Arlington H S | Similar size | Lower economic need | Similar S:T ratio |
| Lamar H S | Similar size | Lower economic need | Similar S:T ratio |
| Bowie H S | Smaller | Lower economic need | Lower S:T ratio |
| Seguin H S | Smaller | Lower economic need | Lower S:T ratio |
Comparisons are relative to Sam Houston H S's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Sam Houston H S'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.
Sam Houston H S has 3,208 students enrolled. It is a high school in Arlington, TX.
The student-teacher ratio at Sam Houston H S is 15.5:1, which is 5% higher than the Texas average of 14.7:1 and 1% lower than the national average of 15.7:1.
84.4% of students at Sam Houston H S are eligible for free lunch, compared to the Texas average of 61.9%.
The largest demographic group at Sam Houston H S is Hispanic or Latino at 75.1% of enrollment, in Arlington, TX.
Sam Houston H S has a Resource Investment Index of 64/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Sam Houston H S ranks #5 of 13 high schools in Arlington, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Arlington on the city page.
Sam Houston H S earns 64/100 on the Resource Investment Index, with class sizes near the Texas median. It is also one of the largest schools in Texas. 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 Sam Houston H S, Arlington Isd also operates Martin H S (3,535 students), Arlington H S (2,580 students), and Lamar H S (2,457 students). See the Arlington Isd 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, “Sam Houston H S, Arlington TX.” 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/sam-houston-h-s-tx
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