- Enrollment
- 1,798
- Students per teacher
- 14.7:1
- Resource Index
- 38/100
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
CCD year-over-year · 2022-23 → 2023-24
+33 students YoY
Clack Middle held near 740 students from 2022-23 to 2023-24 (+33 headcount).
Teacher FTE lost 53.5 → 48.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+33 students YoY 480744002231 · Abilene, TX Middle · MID · TRAD
693 enr · 13.1:1 · 70.0% lunch · RII 37
Nearest enrollment peer: Abilene H S (1,798 students)
Clack Middle held near 740 students from 2022-23 to 2023-24 (+33 headcount). Teacher FTE lost 53.5 → 48.2 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
Clack Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Abilene H S
Abilene H S
1,798 students
- Cooper H S
Cooper H S
1,570 students
- Mann Middle
Mann Middle
776 students
- Craig Middle
Craig Middle
771 students
- Madison Middle
Madison Middle
770 students
- This school 693
Clack Middle
693 students
What this shows Clack Middle reports 693 students on the CCD universe file.
How Clack Middle compares
Clack Middle held steady on CCD headcount: ratios and free-lunch share vs 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 methodology
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
$11,604
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
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.
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
District finance for Abilene Isd reports $11,604 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,570
- 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
Nationwide middle 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 (~693 students)
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. CCD year-over-year: 707 (2022-23) → 740 (2023-24), nearly flat (+33).
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.