Enrollment
693
Texas · 2024-25 NCES data
Middle school (grades 6-8) · Abilene, TX
Clack Middle
Federal NCES profile for Clack Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 480744002231
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 31
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clack Middle earns 37/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most Texas schools.
- #2 of 5
- middle schools in Abilene · Resource Index
- 37
- Resource Index · Typical
- 13.1:1
- students per teacher
- 70.0%
- free-lunch eligible
Clack Middle has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Clack Middle ranks #2 of 5 middle schools in Abilene, TX.
School address
Teachers (FTE)
53.0
Federal CCD staff survey
Students per teacher
13.1:1
vs 14.7:1 Texas avg
-11% vs state
Free-lunch eligible
70.0%
vs 61.9% Texas avg
+13% vs state
Student-teacher ratio in context
How Clack Middle compares with Texas and U.S. medians
What stands out at Clack Middle
Clack Middle is a higher-need, mid-sized middle school in Abilene, Texas, enrolling 693 students.
Class sizes run a bit leaner than typical: 13.1:1 puts it in the smaller third of Texas schools by student-teacher ratio.
Its free-meal eligibility rate of 70.0% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.
Enrollment of 693 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index lands in the lower third of 8,960 scored Texas schools.
Against 1,802 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,162.
Its student body is led by Hispanic or Latino (46%) and White (26%), more mixed than most schools in the state (diversity index 68/100).
Counselor availability sits well past the ASCA benchmark, roughly 347 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 44.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 27.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 364 in- and out-of-school suspensions were reported for 693 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Abilene Isd also operates Abilene H S (1,798 students) and Cooper H S (1,570 students) alongside Clack Middle.
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 Clack Middle compares
Clack Middle on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.1:1 | ▼ 11% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 70.0% | ▲ 13% | 61.9% | 51.7% |
| Enrollment | 693 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.1:1
Leaner classes than 66% of US schools, among the more generously staffed nationally.
693
Bigger than 80% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
70.0%
free-lunch eligible
- 13% 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
13.1:1
students per teacher
- 11% below state mean
Top 35% in Texas - lower ratio than 65% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
44.0%
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
$11,671
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 347 students, the combined health-and-guidance staffing load for this school.
Discipline context
212
in-school suspensions + 152 out-of-school
Suspension rate: 30.6 per 100 students. Combined in-school and out-of-school rate: 52.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 45.7%
White 26.4%
African American 18.9%
Two or More 4.6%
Asian 3.2%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.6%
Largest group: Hispanic or Latino at 45.7% of enrollment.
Student-body diversity index 68.3/100
Simpson diversity index - at 68.3, Clack Middle is more mixed than the Texas school average of 44.7.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Abilene Isd, which includes Clack Middle.
$11,671
Per student
-14%
vs Texas
Avg $13,644
-30%
vs U.S.
Avg $16,593
Revenue mix
Local 32.4%
State 40.5%
Federal 27.2%
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 Clack Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Abilene H S | Larger | Similar economic need | Higher S:T ratio |
| Cooper H S | Larger | Similar economic need | Similar S:T ratio |
| Mann Middle | Similar size | Similar economic need | Similar S:T ratio |
| Craig Middle | Similar size | Similar economic need | Similar S:T ratio |
| Madison Middle | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Clack Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,798
- Students per teacher
- 14.7:1
- Resource Index
- 38/100
- Enrollment
- 1,570
- Students per teacher
- 13.7:1
- Resource Index
- 41/100
- Enrollment
- 776
- Students per teacher
- 13.6:1
- Resource Index
- 35/100
- Enrollment
- 771
- Students per teacher
- 12.6:1
- Resource Index
- 36/100
- Enrollment
- 770
- Students per teacher
- 13.5:1
- Resource Index
- 35/100
Similar middle 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 (~693 students)
Similar student-teacher ratio (~13.1:1)
Next steps
Verify locally before acting on Clack Middle's federal record.
- Compare Clack Middle against another school. Compare schools
- Abilene 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 Clack Middle
How many students attend Clack Middle?
Clack Middle has 693 students enrolled. It is a middle school in Abilene, TX.
What is the student-teacher ratio at Clack Middle?
The student-teacher ratio at Clack Middle is 13.1:1, which is 11% lower than the Texas average of 14.7:1 and 17% 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 Clack Middle?
70.0% of students at Clack Middle are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Clack Middle?
The largest demographic group at Clack Middle is Hispanic or Latino at 45.7% of enrollment, in Abilene, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.3/100.
What is the Resource Investment Index for Clack Middle?
Clack Middle has a Resource Investment Index of 37/100 (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 Clack Middle rank among middle schools in Abilene?
By Resource Investment Index, Clack Middle ranks #2 of 5 middle schools in Abilene, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Abilene on the city page.
Is Clack Middle a good school?
Clack Middle earns 37/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most 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 Abilene Isd?
Besides Clack Middle, Abilene Isd also operates Abilene H S (1,798 students), Cooper H S (1,570 students), and Mann Middle (776 students). See the Abilene 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.