Enrollment
408
Texas · 2024-25 NCES data
Elementary school (grades K-5) · Lufkin, TX
Slack El
Federal NCES profile for Slack El, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataElementary school (grades K-5)NCES 482855007773
👥 S:T ratio 58
🌟 Gifted program 30
🎓 Counselors 18
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Slack El earns 34/100 on the Resource Investment Index, with class sizes smaller than 87% of Texas schools.
- #6 of 8
- elementary schools in Lufkin · Resource Index
- 34
- Resource Index · Typical
- 10.5:1
- small classes for Texas
- 82.9%
- free-lunch eligible
Slack El has class sizes smaller than 87% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Slack El ranks #6 of 8 elementary schools in Lufkin, TX.
School address
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 14.7:1 Texas avg
-29% vs state
Free-lunch eligible
82.9%
vs 61.9% Texas avg
+34% vs state
Student-teacher ratio in context
How Slack El compares with Texas and U.S. medians
What stands out at Slack El
Slack El is a high-poverty, mid-sized elementary school in Lufkin, Texas, enrolling 408 students.
Classes run notably small here: at 10.5:1, Slack El is leaner than roughly 87% of Texas schools and 29% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 82.9% of students eligible for free meals.
With 408 students, its enrollment sits close to the Texas median campus size.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Among 1,872 similarly sized, similarly resourced-need Texas schools statewide, it ranks #1,390, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (70%) and White (17%) (diversity index 47/100).
Counselor access is stretched at roughly 408 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 28.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Lufkin Isd also operates Lufkin H S (2,026 students) and Lufkin Middle (1,453 students) alongside Slack 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 Slack El compares
Slack 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 | 10.5:1 | ▼ 29% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 82.9% | ▲ 34% | 61.9% | 51.7% |
| Enrollment | 408 | top 63% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
408
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
82.9%
free-lunch eligible
- 34% 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
10.5:1
students per teacher
- 29% below state mean
Top 13% in Texas - lower ratio than 87% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.9%
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
$12,965
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
Counselors1.0 FTE
Per 408 students, the combined health-and-guidance staffing load for this school.
Discipline context
19
in-school suspensions + 6 out-of-school
Suspension rate: 4.7 per 100 students. Combined in-school and out-of-school rate: 6.1 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 69.9%
White 16.9%
African American 11.5%
Two or More 1.2%
Asian 0.5%
Largest group: Hispanic or Latino at 69.9% of enrollment.
Student-body diversity index 46.9/100
Simpson diversity index - at 46.9, Slack El is more mixed than the Texas school average of 44.7.
Programs
Funding & spending
District-wide per-pupil expenditure for Lufkin Isd, which includes Slack El.
$12,965
Per student
-5%
vs Texas
Avg $13,644
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 35.8%
State 44.5%
Federal 19.7%
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 Slack El Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lufkin H S | Larger | Similar economic need | Similar S:T ratio |
| Lufkin Middle | Larger | Similar economic need | Higher S:T ratio |
| Burley Pri | Similar size | Similar economic need | Higher S:T ratio |
| Brandon El | Similar size | Lower economic need | Higher S:T ratio |
| Garrett Pri | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Slack El's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,026
- Students per teacher
- 11.3:1
- Resource Index
- 42/100
- Enrollment
- 1,453
- Students per teacher
- 12.1:1
- Resource Index
- 39/100
- Enrollment
- 426
- Students per teacher
- 17.8:1
- Resource Index
- 25/100
- Enrollment
- 386
- Students per teacher
- 13.8:1
- Resource Index
- 40/100
- Enrollment
- 344
- Students per teacher
- 17.2:1
- Resource Index
- 31/100
Similar elementary 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 (~408 students)
Similar student-teacher ratio (~10.5:1)
Next steps
Verify locally before acting on Slack El's federal record.
- Compare Slack El against another school. Compare schools
- Lufkin 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 Slack El
How many students attend Slack El?
Slack El has 408 students enrolled. It is an elementary school in Lufkin, TX.
What is the student-teacher ratio at Slack El?
The student-teacher ratio at Slack El is 10.5:1, which is 29% lower than the Texas average of 14.7:1 and 33% 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 Slack El?
82.9% of students at Slack El are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Slack El?
The largest demographic group at Slack El is Hispanic or Latino at 69.9% of enrollment, in Lufkin, TX.
What is the Resource Investment Index for Slack El?
Slack El has a Resource Investment Index of 34/100 (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 Slack El rank among elementary schools in Lufkin?
By Resource Investment Index, Slack El ranks #6 of 8 elementary schools in Lufkin, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lufkin on the city page.
Is Slack El a good school?
Slack El earns 34/100 on the Resource Investment Index, with class sizes smaller than 87% 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 Lufkin Isd?
Besides Slack El, Lufkin Isd also operates Lufkin H S (2,026 students), Lufkin Middle (1,453 students), and Burley Pri (426 students). See the Lufkin 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.