Enrollment
547
Texas · 2024-25 NCES data
High school (grades 9-12) · Sinton, TX
Sinton H S
Federal NCES profile for Sinton H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 484035004571
👥 S:T ratio 50
📚 AP courses 20
🌟 Gifted program 70
🎓 Counselors 45
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sinton H S earns 37/100 on the Resource Investment Index, with class sizes smaller than 73% of Texas schools.
- #2 of 5
- public schools in Sinton · Resource Index
- 37
- Resource Index · Typical
- 12.4:1
- small classes for Texas
- 65.6%
- free-lunch eligible
Sinton H S has class sizes smaller than 73% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Sinton H S ranks #2 of 5 public schools in Sinton, TX.
School address
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 14.7:1 Texas avg
-16% vs state
Free-lunch eligible
65.6%
vs 61.9% Texas avg
+6% vs state
Student-teacher ratio in context
How Sinton H S compares with Texas and U.S. medians
What stands out at Sinton H S
Sinton H S is a higher-need, mid-sized high school in Sinton, Texas, enrolling 547 students.
Class sizes run a bit leaner than typical: 12.4:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Its free-meal eligibility rate of 65.6% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
With 547 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 1,710 statewide peers matched on enrollment and economic need, it ranks mid-pack at #882.
Its student body is predominantly Hispanic or Latino (82% of enrollment) (diversity index 31/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage runs a bit thin, about 274 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 43.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 16.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 162 in- and out-of-school suspensions were reported for 547 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 15 expulsions at this campus for 2021-22.
Sinton Isd also operates Welder El (520 students) and Sinton El (458 students) alongside Sinton 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 Sinton H S compares
Sinton 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 | 12.4:1 | ▼ 16% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 65.6% | ▲ 6% | 61.9% | 51.7% |
| Enrollment | 547 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.4:1
Leaner classes than 72% of US schools, among the more generously staffed nationally.
547
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
65.6%
free-lunch eligible
- 6% 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
12.4:1
students per teacher
- 16% below state mean
Top 27% in Texas - lower ratio than 73% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
43.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,559
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
Counselors2.0 FTE
Per 274 students, the combined health-and-guidance staffing load for this school.
Discipline context
136
in-school suspensions + 26 out-of-school
Suspension rate: 24.9 per 100 students. Combined in-school and out-of-school rate: 29.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 15 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 81.5%
White 16.1%
African American 0.7%
Asian 0.7%
Two or More 0.7%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 81.5% of enrollment.
Student-body diversity index 31.0/100
Simpson diversity index - at 31.0, Sinton H S is less mixed than the Texas school average of 44.7.
Programs
AP courses offered 4
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sinton Isd, which includes Sinton H S.
$12,559
Per student
-8%
vs Texas
Avg $13,644
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 49.6%
State 34.0%
Federal 16.5%
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 Sinton H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Welder El | Similar size | Similar economic need | Higher S:T ratio |
| Sinton El | Similar size | Similar economic need | Similar S:T ratio |
| E Merle Smith Middle | Similar size | Similar economic need | Lower S:T ratio |
| Juvenile Detention Ctr | Smaller | Similar economic need | No ratio data |
Comparisons are relative to Sinton H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 520
- Students per teacher
- 14.1:1
- Resource Index
- 39/100
- Enrollment
- 458
- Students per teacher
- 13.1:1
- Resource Index
- 49/100
- Enrollment
- 425
- Students per teacher
- 10.6:1
- Resource Index
- 35/100
- Enrollment
- 11
- Students per teacher
- -
- Resource Index
- 30/100
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 (~547 students)
Similar student-teacher ratio (~12.4:1)
Next steps
Verify locally before acting on Sinton H S's federal record.
- Compare Sinton H S against another school. Compare schools
- Sinton 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 Sinton H S
How many students attend Sinton H S?
Sinton H S has 547 students enrolled. It is a high school in Sinton, TX.
What is the student-teacher ratio at Sinton H S?
The student-teacher ratio at Sinton H S is 12.4:1, which is 16% lower than the Texas average of 14.7:1 and 21% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Sinton H S?
65.6% of students at Sinton H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Sinton H S?
The largest demographic group at Sinton H S is Hispanic or Latino at 81.5% of enrollment, in Sinton, TX.
What is the Resource Investment Index for Sinton H S?
Sinton H S has a Resource Investment Index of 37/100 (typical 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).
How does Sinton H S rank among public schools in Sinton?
By Resource Investment Index, Sinton H S ranks #2 of 5 public schools in Sinton, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sinton on the city page.
Is Sinton H S a good school?
Sinton H S earns 37/100 on the Resource Investment Index, with class sizes smaller than 73% of Texas 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.
What other schools are in Sinton Isd?
Besides Sinton H S, Sinton Isd also operates Welder El (520 students), Sinton El (458 students), and E Merle Smith Middle (425 students). See the Sinton 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.