Enrollment
672
Texas · 2024-25 NCES data
Other / mixed grade configuration · Killeen, TX
Trimmier El
Federal NCES profile for Trimmier El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataOther / mixed grade configurationNCES 482566007785
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 55
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Trimmier El earns 47/100 on the Resource Investment Index, with class sizes near the Texas median.
- #3 of 22
- schools in Killeen · Resource Index
- 47
- Resource Index · Typical
- 12.9:1
- students per teacher
- 68.6%
- free-lunch eligible
Trimmier El has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Trimmier El ranks #3 of 22 schools in Killeen, TX.
School address
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 14.7:1 Texas avg
-12% vs state
Free-lunch eligible
68.6%
vs 61.9% Texas avg
+11% vs state
Student-teacher ratio in context
How Trimmier El compares with Texas and U.S. medians
What stands out at Trimmier El
Trimmier El is a higher-need, mid-sized combined-grade school in Killeen, Texas, enrolling 672 students.
Class sizes run a bit leaner than typical: 12.9:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Its free-meal eligibility rate of 68.6% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
Enrollment of 672 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 1,781 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #309.
Its student body is led by Hispanic or Latino (69%) and African American (17%) (diversity index 49/100).
Counselor coverage is strong, about 224 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 33.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Killeen Isd spends $10,648 per pupil, 22% below the Texas average, a leaner-resourced district than most.
Its district draws 25.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Killeen Isd also operates Harker Heights H S (2,192 students) and Robert M Shoemaker H S (2,165 students) alongside Trimmier El.
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 Trimmier El compares
Trimmier El on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▼ 12% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 68.6% | ▲ 11% | 61.9% | 51.7% |
| Enrollment | 672 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
672
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
68.6%
free-lunch eligible
- 11% 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
12.9:1
students per teacher
- 12% below state mean
Top 33% in Texas - lower ratio than 67% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.6%
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
$10,648
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
Counselors3.0 FTE
Per 224 students, the combined health-and-guidance staffing load for this school.
Discipline context
47
in-school suspensions + 7 out-of-school
Suspension rate: 7.0 per 100 students. Combined in-school and out-of-school rate: 8.0 per 100 students. Reported via the Civil Rights Data Collection.
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 68.8%
African American 17.4%
White 6.4%
Two or More 5.4%
Asian 1.2%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 68.8% of enrollment.
Student-body diversity index 48.9/100
Simpson diversity index - at 48.9, Trimmier El is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Killeen Isd, which includes Trimmier El.
$10,648
Per student
-22%
vs Texas
Avg $13,644
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 19.6%
State 54.7%
Federal 25.7%
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 Trimmier El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Harker Heights H S | Larger | Lower economic need | Higher S:T ratio |
| Robert M Shoemaker H S | Larger | Lower economic need | Higher S:T ratio |
| Killeen H S | Larger | Similar economic need | Higher S:T ratio |
| Chaparral H S | Larger | Lower economic need | Higher S:T ratio |
| C E Ellison H S | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Trimmier El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,192
- Students per teacher
- 16.5:1
- Resource Index
- 36/100
- Enrollment
- 2,165
- Students per teacher
- 17.5:1
- Resource Index
- 43/100
- Enrollment
- 2,083
- Students per teacher
- 16.4:1
- Resource Index
- 48/100
- Enrollment
- 2,031
- Students per teacher
- 19.9:1
- Resource Index
- 20/100
- Enrollment
- 1,761
- Students per teacher
- 15.4:1
- Resource Index
- 50/100
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 (~672 students)
Similar student-teacher ratio (~12.9:1)
Next steps
Verify locally before acting on Trimmier El's federal record.
- Compare Trimmier El against another school. Compare schools
- Killeen 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 Trimmier El
How many students attend Trimmier El?
Trimmier El has 672 students enrolled. It is a public school in Killeen, TX.
What is the student-teacher ratio at Trimmier El?
The student-teacher ratio at Trimmier El is 12.9:1, which is 12% lower than the Texas average of 14.7:1 and 18% 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 Trimmier El?
68.6% of students at Trimmier El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Trimmier El?
The largest demographic group at Trimmier El is Hispanic or Latino at 68.8% of enrollment, in Killeen, TX.
What is the Resource Investment Index for Trimmier El?
Trimmier El has a Resource Investment Index of 47/100 (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 Trimmier El rank among schools in Killeen?
By Resource Investment Index, Trimmier El ranks #3 of 22 schools in Killeen, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Killeen on the city page.
Is Trimmier El a good school?
Trimmier El earns 47/100 on the Resource Investment Index, with class sizes near the Texas median. 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 Killeen Isd?
Besides Trimmier El, Killeen Isd also operates Harker Heights H S (2,192 students), Robert M Shoemaker H S (2,165 students), and Killeen H S (2,083 students). See the Killeen 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.