Enrollment
1,873
Texas · 2024-25 NCES data
Other / mixed grade configuration · Dallas, TX
Trinity Basin Preparatory
Federal NCES profile for Trinity Basin Preparatory, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 480009208163Charter school
👥 S:T ratio 50
🌟 Gifted program 30
🎓 Counselors 37
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Trinity Basin Preparatory earns 33/100 on the Resource Investment Index, with class sizes smaller than 72% of Texas schools. It is also one of the largest schools in Texas.
- #190 of 232
- schools in Dallas · Resource Index
- 33
- Resource Index · Typical
- 12.5:1
- small classes for Texas
- 87.6%
- free-lunch eligible
Trinity Basin Preparatory has class sizes smaller than 72% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Trinity Basin Preparatory ranks #190 of 232 schools in Dallas, TX.
School address
District: Trinity Basin Preparatory · Texas
NCES ID 480009208163 Verify on NCES CCD record →
Teachers (FTE)
150.0
Federal CCD staff survey
Students per teacher
12.5:1
vs 14.7:1 Texas avg
-15% vs state
Free-lunch eligible
87.6%
vs 61.9% Texas avg
+42% vs state
Student-teacher ratio in context
How Trinity Basin Preparatory compares with Texas and U.S. medians
What stands out at Trinity Basin Preparatory
Trinity Basin Preparatory is a high-poverty, large charter combined-grade school in Dallas, Texas, enrolling 1,873 students.
Class sizes run a bit leaner than typical: 12.5:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 87.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 96% of state schools at 1,873 students.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Among 152 similarly sized, similarly resourced-need Texas schools statewide, it ranks #131, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (79%) and African American (10%) (diversity index 36/100).
Counselor coverage runs a bit thin, about 316 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 34.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Trinity Basin Preparatory spends $10,534 per pupil, 23% below the Texas average, a leaner-resourced district than most.
Its district draws 20.7% 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 11 expulsions at this campus for 2021-22.
Trinity Basin Preparatory also operates Trinity Basin Preparatory (2,020 students) and Trinity Basin Preparatory Inc (800 students) alongside Trinity Basin Preparatory.
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 Trinity Basin Preparatory compares
Trinity Basin Preparatory on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.5:1 | ▼ 15% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 87.6% | ▲ 42% | 61.9% | 51.7% |
| Enrollment | 1,873 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.5:1
Leaner classes than 71% of US schools, among the more generously staffed nationally.
1,873
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
87.6%
free-lunch eligible
- 42% 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
12.5:1
students per teacher
- 15% below state mean
Top 28% in Texas - lower ratio than 72% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
34.7%
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
$10,534
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
Counselors5.9 FTE
Per 316 students, the combined health-and-guidance staffing load for this school.
Discipline context
149
in-school suspensions + 46 out-of-school
Suspension rate: 8.0 per 100 students. Combined in-school and out-of-school rate: 10.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 11 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 79.1%
African American 9.9%
White 7.3%
American Indian / Alaska Native 2.2%
Two or More 0.9%
Asian 0.5%
Largest group: Hispanic or Latino at 79.1% of enrollment.
Student-body diversity index 35.9/100
Simpson diversity index - at 35.9, Trinity Basin Preparatory is less mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Trinity Basin Preparatory, which includes Trinity Basin Preparatory.
$10,534
Per student
-23%
vs Texas
Avg $13,644
-37%
vs U.S.
Avg $16,593
Revenue mix
Local 1.0%
State 78.2%
Federal 20.7%
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 Trinity Basin Preparatory Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Trinity Basin Preparatory | Similar size | Similar economic need | Higher S:T ratio |
| Trinity Basin Preparatory Inc | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Trinity Basin Preparatory's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,020
- Students per teacher
- 15.1:1
- Resource Index
- 31/100
- Enrollment
- 800
- Students per teacher
- 22.9:1
- Resource Index
- 25/100
Similar other 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 (~1,873 students)
Similar student-teacher ratio (~12.5:1)
Next steps
Verify locally before acting on Trinity Basin Preparatory's federal record.
- Compare Trinity Basin Preparatory against another school. Compare schools
- Trinity Basin Preparatory'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 Trinity Basin Preparatory
How many students attend Trinity Basin Preparatory?
Trinity Basin Preparatory has 1,873 students enrolled. It is a public school in Dallas, TX.
What is the student-teacher ratio at Trinity Basin Preparatory?
The student-teacher ratio at Trinity Basin Preparatory is 12.5:1, which is 15% lower than the Texas average of 14.7:1 and 20% 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 Trinity Basin Preparatory?
87.6% of students at Trinity Basin Preparatory are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Trinity Basin Preparatory?
The largest demographic group at Trinity Basin Preparatory is Hispanic or Latino at 79.1% of enrollment, in Dallas, TX.
What is the Resource Investment Index for Trinity Basin Preparatory?
Trinity Basin Preparatory has a Resource Investment Index of 33/100 (typical 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).
How does Trinity Basin Preparatory rank among schools in Dallas?
By Resource Investment Index, Trinity Basin Preparatory ranks #190 of 232 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 schools in Dallas on the city page.
Is Trinity Basin Preparatory a good school?
Trinity Basin Preparatory earns 33/100 on the Resource Investment Index, with class sizes smaller than 72% 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 Trinity Basin Preparatory?
Besides Trinity Basin Preparatory, Trinity Basin Preparatory also operates Trinity Basin Preparatory (2,020 students) and Trinity Basin Preparatory Inc (800 students). See the Trinity Basin Preparatory 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.