Enrollment
1,786
Texas · 2024-25 NCES data
High school (grades 9-12) · Dallas, TX
Seagoville H S
Federal NCES profile for Seagoville H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 481623001352
👥 S:T ratio 35
📚 AP courses 65
🌟 Gifted program 70
🎓 Counselors 11
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Seagoville H S earns 45/100 on the Resource Investment Index, with class sizes larger than 73% of Texas schools. It is also one of the largest schools in Texas.
- #30 of 53
- high schools in Dallas · Resource Index
- 45
- Resource Index · Typical
- 16.2:1
- large classes for Texas
- 84.4%
- free-lunch eligible
Seagoville H S has class sizes larger than 73% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Seagoville H S ranks #30 of 53 high schools in Dallas, TX.
School address
Teachers (FTE)
110.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14.7:1 Texas avg
+10% vs state
Free-lunch eligible
84.4%
vs 61.9% Texas avg
+36% vs state
Student-teacher ratio in context
How Seagoville H S compares with Texas and U.S. medians
What stands out at Seagoville H S
Seagoville H S is a high-poverty, large high school in Dallas, Texas, enrolling 1,786 students.
Class loads run somewhat heavier than typical: 16.2:1 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 96% of state schools at 1,786 students.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 196 statewide peers matched on enrollment and economic need, it ranks mid-pack at #108.
Its student body is led by Hispanic or Latino (73%) and African American (19%) (diversity index 43/100).
On the academic-pipeline side it reports 13 Advanced Placement courses.
Counselor access is stretched at roughly 447 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Its district draws 19.6% 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 2 expulsions at this campus for 2021-22.
Dallas Isd also operates Skyline H S (3,837 students) and Bryan Adams H S Leadership Academy (2,208 students) alongside Seagoville 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
How Seagoville H S compares
Seagoville 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 | 16.2:1 | ▲ 10% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 84.4% | ▲ 36% | 61.9% | 51.7% |
| Enrollment | 1,786 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
1,786
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
84.4%
free-lunch eligible
- 36% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.2:1
students per teacher
- 10% above state mean
Top 73% in Texas - lower ratio than 27% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$12,650
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 447 students, the combined health-and-guidance staffing load for this school.
Discipline context
64
in-school suspensions + 59 out-of-school
Suspension rate: 3.6 per 100 students. Combined in-school and out-of-school rate: 6.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 72.8%
African American 19.0%
White 6.9%
Two or More 0.7%
American Indian / Alaska Native 0.3%
Asian 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 72.8% of enrollment.
Student-body diversity index 42.9/100
Simpson diversity index - at 42.9, Seagoville H S is about as mixed as the Texas school average of 44.7.
Programs
AP courses offered 13
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Dallas Isd, which includes Seagoville H S.
$12,650
Per student
-7%
vs Texas
Avg $13,644
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 72.4%
State 8.0%
Federal 19.6%
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.
How Seagoville H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Skyline H S | Larger | Lower economic need | Lower S:T ratio |
| Bryan Adams H S Leadership Academy | Similar size | Similar economic need | Similar S:T ratio |
| W T White H S | Similar size | Similar economic need | Similar S:T ratio |
| Sunset H S | Similar size | Similar economic need | Similar S:T ratio |
| Moises E Molina H S | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Seagoville H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,837
- Students per teacher
- 14.4:1
- Resource Index
- 48/100
- Enrollment
- 2,208
- Students per teacher
- 16.2:1
- Resource Index
- 32/100
- Enrollment
- 2,204
- Students per teacher
- 16.7:1
- Resource Index
- 38/100
- Enrollment
- 2,164
- Students per teacher
- 17:1
- Resource Index
- 47/100
- Enrollment
- 2,006
- Students per teacher
- 15.8:1
- Resource Index
- 47/100
Similar high schools statewide
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.
Similar enrollment (~1,786 students)
Similar student-teacher ratio (~16.2:1)
Next steps
Verify locally before acting on Seagoville H S's federal record.
- Compare Seagoville H S against another school. Compare schools
- Dallas Isd's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Seagoville H S
How many students attend Seagoville H S?
Seagoville H S has 1,786 students enrolled. It is a high school in Dallas, TX.
What is the student-teacher ratio at Seagoville H S?
The student-teacher ratio at Seagoville H S is 16.2:1, which is 10% higher than the Texas average of 14.7:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Seagoville H S?
84.4% of students at Seagoville H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Seagoville H S?
The largest demographic group at Seagoville H S is Hispanic or Latino at 72.8% of enrollment, in Dallas, TX.
What is the Resource Investment Index for Seagoville H S?
Seagoville H S has a Resource Investment Index of 45/100 (typical 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).
How does Seagoville H S rank among high schools in Dallas?
By Resource Investment Index, Seagoville H S ranks #30 of 53 high schools in Dallas, 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 Dallas on the city page.
Is Seagoville H S a good school?
Seagoville H S earns 45/100 on the Resource Investment Index, with class sizes larger than 73% of Texas schools. 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.
What other schools are in Dallas Isd?
Besides Seagoville H S, Dallas Isd also operates Skyline H S (3,837 students), Bryan Adams H S Leadership Academy (2,208 students), and W T White H S (2,204 students). See the Dallas Isd district page for the complete list.
Related tools
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.