- Enrollment
- 2,192
- Students per teacher
- 16.5:1
- Resource Index
- 36/100
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
CCD year-over-year · 2022-23 → 2023-24
-50 students YoY
Trimmier El shrank from 740 students in 2022-23 to 690 in 2023-24 (-6.8%).
Teacher FTE lost 52.6 → 48.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-50 students YoY 482566007785 · Killeen, TX Other · MID · TRAD
672 enr · 12.9:1 · 68.6% lunch · RII 47
Nearest enrollment peer: Harker Heights H S (2,192 students)
Trimmier El shrank from 740 students in 2022-23 to 690 in 2023-24 (-6.8%). Teacher FTE lost 52.6 → 48.9 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Trimmier El in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Harker Heights
Harker Heights H S
2,192 students
- Robert M Shoem
Robert M Shoemaker H S
2,165 students
- Killeen H S
Killeen H S
2,083 students
- Chaparral H S
Chaparral H S
2,031 students
- C E Ellison H
C E Ellison H S
1,761 students
- This school 672
Trimmier El
672 students
What this shows Trimmier El reports 672 students on the CCD universe file.
How Trimmier El compares
Trimmier El is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$11,818
per pupil, district-wide
- below Texas avg of $14,348
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.
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
District finance for Killeen Isd reports $11,818 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 2,165
- 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
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~672 students)
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. CCD year-over-year: 740 (2022-23) → 690 (2023-24), down 50.
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.